diff --git a/README.md b/README.md
index ca19e065..e5be80e3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 ![OpenSupports](http://www.opensupports.com/logo.png)
 
-[![Build Status](https://travis-ci.org/opensupports/opensupports.svg?branch=master)](https://travis-ci.org/opensupports/opensupports) v4.3.2
+[![Build Status](https://travis-ci.org/opensupports/opensupports.svg?branch=master)](https://travis-ci.org/opensupports/opensupports) v4.4.0
 
 OpenSupports is an open source ticket system built primarily with PHP and ReactJS.
 Please, visit our website for more information: [http://www.opensupports.com/](http://www.opensupports.com/)
diff --git a/client/src/app-components/stats.js b/client/src/app-components/stats.js
index c283d705..611cc7b2 100644
--- a/client/src/app-components/stats.js
+++ b/client/src/app-components/stats.js
@@ -54,6 +54,11 @@ class Stats extends React.Component {
                 <DropDown {...this.getDropDownProps()}/>
                 <ToggleList {...this.getToggleListProps()} />
                 <StatsChart {...this.getStatsChartProps()} />
+                <div className="stats__disable-box">
+                    <div className="stats__disable-box-message">
+                        {i18n('CURRENTLY_UNAVAILABLE')}
+                    </div>
+                </div>
             </div>
         );
     }
diff --git a/client/src/app-components/stats.scss b/client/src/app-components/stats.scss
index 68fcca6e..ef687078 100644
--- a/client/src/app-components/stats.scss
+++ b/client/src/app-components/stats.scss
@@ -1,6 +1,25 @@
 @import '../scss/vars';
 
 .stats {
+    pointer-events: none;
+    position: relative;
+
+    &__disable-box {
+        position: absolute;
+        width: 100%;
+        height: 100%;
+        left: 0;
+        top: 0;
+        background-color: rgba(0,0,0,0.5);
+        display: flex;
+        align-items: center;
+        justify-content: center;
+
+        &-message {
+            color: white;
+            font-size: $font-size--bg;
+        }
+    }
 
     &__dropdown {
         margin-left: auto;
diff --git a/client/src/app-components/ticket-list.js b/client/src/app-components/ticket-list.js
index 4024ba51..1a33be8c 100644
--- a/client/src/app-components/ticket-list.js
+++ b/client/src/app-components/ticket-list.js
@@ -187,7 +187,7 @@ class TicketList extends React.Component {
                     <Button className="ticket-list__title-link" type="clean" route={{to: this.props.ticketPath + ticket.ticketNumber}}>
                         {titleText}
                     </Button>
-                    {ticket.tags.map((tagName,index) => {
+                    {(ticket.tags || []).map((tagName,index) => {
                         let tag = _.find(this.props.tags, {name:tagName});
                         return <Tag size='small' name={tag && tag.name} color={tag && tag.color} key={index} />
                     })}
diff --git a/client/src/app/Routes.js b/client/src/app/Routes.js
index b3f0312e..d2dfbcf5 100644
--- a/client/src/app/Routes.js
+++ b/client/src/app/Routes.js
@@ -103,7 +103,7 @@ export default (
             <Route path="admin">
                 <IndexRoute component={AdminLoginPage} />
                 <Route path="panel" component={AdminPanelLayout}>
-                    <IndexRedirect to="stats" />
+                    <IndexRedirect to="activity" />
                     <Route path="stats" component={AdminPanelStats} />
                     <Route path="activity" component={AdminPanelActivity} />
                     <Route path="my-account" component={AdminPanelMyAccount} />
diff --git a/client/src/app/admin/panel/tickets/admin-panel-custom-tags.js b/client/src/app/admin/panel/tickets/admin-panel-custom-tags.js
index 8f6f2d90..d72f1e8b 100644
--- a/client/src/app/admin/panel/tickets/admin-panel-custom-tags.js
+++ b/client/src/app/admin/panel/tickets/admin-panel-custom-tags.js
@@ -44,7 +44,7 @@ class AdminPanelCustomTags extends React.Component {
             <div className="admin-panel-custom-tags__content">
                 <div>
                     <Button onClick={this.openTagModal.bind(this)}  type="secondary">
-                        {i18n('CREATE_CUSTOM_TAG')}<Icon className="admin-panel-custom-tags__add-button-icon" name="plus"/>
+                        {i18n('ADD_CUSTOM_TAG')}<Icon className="admin-panel-custom-tags__add-button-icon" name="plus"/>
                     </Button>
                 </div>
                 <div className="admin-panel-custom-tags__tag-list">
diff --git a/client/src/config.js b/client/src/config.js
index a767b1a3..e4bbdc8d 100644
--- a/client/src/config.js
+++ b/client/src/config.js
@@ -1,4 +1,4 @@
-opensupports_version = '4.3.2';
+opensupports_version = '4.4.0';
 root = 'http://localhost:3000';
 apiRoot = 'http://localhost:3000/api';
 globalIndexPath = '';
diff --git a/client/src/data/languages/br.js b/client/src/data/languages/br.js
index 049c94b6..53e56091 100644
--- a/client/src/data/languages/br.js
+++ b/client/src/data/languages/br.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Respostas personalizadas',
     'CUSTOM_TAGS': 'Tags personalizadas',
     'LIST_USERS': 'Listar usuários',
-    'CREATE_CUSTOM_TAG': 'Criar tag personalizada',
     'BAN_USERS': 'Banir usuários',
     'LIST_ARTICLES': 'Lista de Artigos',
     'STAFF_MEMBERS': 'Membros da equipe',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Esta conta está desativada.',
     'INVALID_SYNTAX': 'Sintaxe inválida.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Este departamento tem ingressos criados por não funcionários e não pode ser privado',
+    'CURRENTLY_UNAVAILABLE': 'Atualmente indisponivel',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Você se registrou com sucesso em nosso sistema de suporte.',
diff --git a/client/src/data/languages/cn.js b/client/src/data/languages/cn.js
index c7f12d5c..25e22e4d 100644
--- a/client/src/data/languages/cn.js
+++ b/client/src/data/languages/cn.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': '自定義響應',
     'CUSTOM_TAGS': '自定义标签',
     'LIST_USERS': '列出用戶',
-    'CREATE_CUSTOM_TAG': '创建自定义标记',
     'BAN_USERS': '禁止用戶',
     'LIST_ARTICLES': '文章列表',
     'STAFF_MEMBERS': '工作人員',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': '此帐户已被停用。',
     'INVALID_SYNTAX': '无效的语法。',
     'DEPARTMENT_PRIVATE_TICKETS': '这个部门有非工作人员创建的门票，不能是私人的',
+    'CURRENTLY_UNAVAILABLE': '当前不可用',
 
     //MESSAGES
     'SIGNUP_SUCCESS': '您已在我們的支持系統中成功註冊',
diff --git a/client/src/data/languages/de.js b/client/src/data/languages/de.js
index fa60761a..0cdcc230 100644
--- a/client/src/data/languages/de.js
+++ b/client/src/data/languages/de.js
@@ -47,6 +47,7 @@ export default {
     'NEW_TICKETS': 'Neue Tickets',
     'ALL_TICKETS': 'Alle Tickets',
     'CUSTOM_RESPONSES': 'Benutzerdefinierte Antworten',
+    'CUSTOM_TAGS': 'Benutzerdefinierte Tags',
     'LIST_USERS': 'Benutzer auflisten',
     'BAN_USERS': 'Gesperrte Benutzer',
     'LIST_ARTICLES': 'Artikelliste',
@@ -104,6 +105,7 @@ export default {
     'ADD_ARTICLE': 'Artikel hinzufügen',
     'LAST_EDITED_IN': 'Zuletzt bearbeitet am {date}',
     'EDIT': 'Bearbeiten',
+    'ADD_CUSTOM_TAG': 'Benutzerdefiniertes Tag hinzufügen',
     'NO_RESULTS': 'Keine Ergebnisse',
     'DELETE_AND_BAN': 'Löschen und blockieren',
     'STAFF_LEVEL': 'Mitarbeiter-Ebene',
@@ -363,6 +365,7 @@ export default {
     'USER_DISABLED': 'Dieser Account ist deaktiviert.',
     'INVALID_SYNTAX': 'Ungültiger Satzbau.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Diese Abteilung hat Tickets, die von Nicht-Mitarbeitern erstellt wurden, und kann nicht privat sein',
+    'CURRENTLY_UNAVAILABLE': 'momentan nicht verfügbar',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Sie haben sich erfolgreich in unserem Support-System registriert.',
diff --git a/client/src/data/languages/en.js b/client/src/data/languages/en.js
index bd6ff7bc..70f6e6d6 100644
--- a/client/src/data/languages/en.js
+++ b/client/src/data/languages/en.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Custom Responses',
     'CUSTOM_TAGS': 'Custom Tags',
     'LIST_USERS': 'List Users',
-    'CREATE_CUSTOM_TAG': 'Create custom tag',
     'BAN_USERS': 'Ban Users',
     'LIST_ARTICLES': 'Article List',
     'STAFF_MEMBERS': 'Staff Members',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'This account is disabled.',
     'INVALID_SYNTAX': 'Invalid syntax.',
     'DEPARTMENT_PRIVATE_TICKETS': 'This department has tickets created by non-staff and it can not be private',
+    'CURRENTLY_UNAVAILABLE': 'Currently unavailable',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'You have registered successfully in our support system.',
diff --git a/client/src/data/languages/es.js b/client/src/data/languages/es.js
index 704f410d..45e74a67 100644
--- a/client/src/data/languages/es.js
+++ b/client/src/data/languages/es.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Respuestas Personalizadas',
     'CUSTOM_TAGS': 'Etiquetas personalizadas',
     'LIST_USERS': 'Lista de Usuarios',
-    'CREATE_CUSTOM_TAG': 'Crear etiqueta personalizada',
     'BAN_USERS': 'Bloquear Usuarios',
     'LIST_ARTICLES': 'Lista de Artículos',
     'STAFF_MEMBERS': 'Staff Members',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Esta cuenta está deshabilitada.',
     'INVALID_SYNTAX': 'Sintaxis inválida.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Este departamento tiene entradas creadas por personal no administrativo y no puede ser privado.',
+    'CURRENTLY_UNAVAILABLE': 'actualmente no disponible',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Se ha registrado con éxito en nuestro sistema de soporte.',
diff --git a/client/src/data/languages/fr.js b/client/src/data/languages/fr.js
index 36a53557..44b49052 100644
--- a/client/src/data/languages/fr.js
+++ b/client/src/data/languages/fr.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Réponses personnalisées',
     'CUSTOM_TAGS': 'Tags personnalisés',
     'LIST_USERS': 'Voir les utilisateurs',
-    'CREATE_CUSTOM_TAG': 'Créer un tag personnalisé',
     'BAN_USERS': 'Bannir des utilisateurs',
     'LIST_ARTICLES': 'Voir les articles',
     'STAFF_MEMBERS': 'Membres de l\'administration',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Ce compte est désactivé.',
     'INVALID_SYNTAX': 'Syntaxe invalide.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Ce service a des tickets créés par des non-membres du personnel et il ne peut pas être privé',
+    'CURRENTLY_UNAVAILABLE': 'actuellement indisponible',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Vous êtes inscrit avec succès dans notre système de support.',
diff --git a/client/src/data/languages/gr.js b/client/src/data/languages/gr.js
index c2c98241..2199bb61 100644
--- a/client/src/data/languages/gr.js
+++ b/client/src/data/languages/gr.js
@@ -49,7 +49,6 @@
     'CUSTOM_RESPONSES': 'Απαντήσεις Πελατών',
     'CUSTOM_TAGS': 'Προσαρμοσμένες ετικέτες',
     'LIST_USERS': 'Λίστα Χρηστών',
-    'CREATE_CUSTOM_TAG': 'Δημιουργία προσαρμοσμένης ετικέτας',
     'BAN_USERS': 'Αποκλεισμός Χρηστών',
     'LIST_ARTICLES': 'Λίστα Άρθρων',
     'STAFF_MEMBERS': 'Μέλη Προσωπικού',
@@ -366,6 +365,7 @@
     'USER_DISABLED': 'Αυτός ο λογαριασμός είναι απενεργοποιημένος.',
     'INVALID_SYNTAX': 'Μη έγκυρη σύνταξη.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Αυτό το τμήμα έχει εισιτήρια που δημιουργούνται από μη προσωπικό και δεν μπορεί να είναι ιδιωτικό',
+    'CURRENTLY_UNAVAILABLE': 'Προσωρινά μη διαθέσιμο',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Έχετε εγγραφεί με επιτυχία στο σύστημα υποστήριξης μας.',
diff --git a/client/src/data/languages/in.js b/client/src/data/languages/in.js
index 30a3a6ff..94a5aaae 100644
--- a/client/src/data/languages/in.js
+++ b/client/src/data/languages/in.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'कस्टम प्रतिक्रिया',
     'CUSTOM_TAGS': 'कस्टम टैग',
     'LIST_USERS': 'उपयोगकर्ता सूची',
-    'CREATE_CUSTOM_TAG': 'कस्टम टैग बनाएं',
     'BAN_USERS': 'उपयोगकर्ता का प्रतिबन्ध करें',
     'LIST_ARTICLES': 'अनुच्छेद सूची',
     'STAFF_MEMBERS': 'कर्मचारी',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'यह खाता अक्षम है।',
     'INVALID_SYNTAX': 'अवैध वाक्य रचना।',
     'DEPARTMENT_PRIVATE_TICKETS': 'इस विभाग में गैर-कर्मचारियों द्वारा बनाए गए टिकट हैं और यह निजी नहीं हो सकता है',
+    'CURRENTLY_UNAVAILABLE': 'वर्तमान में अनुपलब्ध',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'आप हमारे समर्थन प्रणाली में सफलतापूर्वक दर्ज कर लिया है।',
diff --git a/client/src/data/languages/it.js b/client/src/data/languages/it.js
index fff6b343..f6ae1d70 100644
--- a/client/src/data/languages/it.js
+++ b/client/src/data/languages/it.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Risposte Personalizzate',
     'CUSTOM_TAGS': 'Tag personalizzati',
     'LIST_USERS': 'Lista Utenti',
-    'CREATE_CUSTOM_TAG': 'Crea un tag personalizzato',
     'BAN_USERS': 'Utenti Indesiderati',
     'LIST_ARTICLES': 'Lista Articoli',
     'STAFF_MEMBERS': 'Membri dello Staff',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Questo account è disabilitato.',
     'INVALID_SYNTAX': 'Sintassi non valida.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Questo dipartimento ha biglietti creati da non dipendenti e non può essere privato',
+    'CURRENTLY_UNAVAILABLE': 'attualmente non disponibile',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'È stato registrato con successo nel nostro sistema di supporto.',
diff --git a/client/src/data/languages/jp.js b/client/src/data/languages/jp.js
index 9812e3d2..df584d48 100644
--- a/client/src/data/languages/jp.js
+++ b/client/src/data/languages/jp.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'カスタムレスポンス',
     'CUSTOM_TAGS': 'カスタムタグ',
     'LIST_USERS': 'ユーザーを一覧表示する',
-    'CREATE_CUSTOM_TAG': 'カスタムタグを作成する',
     'BAN_USERS': 'ユーザーを禁止',
     'LIST_ARTICLES': '記事一覧',
     'STAFF_MEMBERS': 'スタッフ',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'このアカウントは無効です。',
     'INVALID_SYNTAX': '無効な構文。',
     'DEPARTMENT_PRIVATE_TICKETS': 'この部門には、スタッフ以外が作成したチケットがあり、プライベートにすることはできません',
+    'CURRENTLY_UNAVAILABLE': '現在お取り扱いできません',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'あなたは私たちのサポートシステムに正常に登録しました。',
diff --git a/client/src/data/languages/nl.js b/client/src/data/languages/nl.js
index 2c01b2b7..431eb075 100644
--- a/client/src/data/languages/nl.js
+++ b/client/src/data/languages/nl.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Aangepaste antwoord',
     'CUSTOM_TAGS': 'Aangepaste tags',
     'LIST_USERS': 'Gebruikerslijst',
-    'CREATE_CUSTOM_TAG': 'Maak een aangepaste tag',
     'BAN_USERS': 'Geblokkeerde gebruikers',
     'LIST_ARTICLES': 'Artikellijst',
     'STAFF_MEMBERS': 'Medewerkers',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Dit account is uitgeschakeld.',
     'INVALID_SYNTAX': 'Ongeldige syntaxis.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Deze afdeling heeft tickets gemaakt door niet-personeel en het kan niet privé zijn',
+    'CURRENTLY_UNAVAILABLE': 'Momenteel niet beschikbaar',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'U hebt zich succesvol geregistreerd in ons ondersteuningssysteem.',
diff --git a/client/src/data/languages/pt.js b/client/src/data/languages/pt.js
index 58198a92..32da7801 100644
--- a/client/src/data/languages/pt.js
+++ b/client/src/data/languages/pt.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Respostas personalizadas',
     'CUSTOM_TAGS': 'Tags personalizadas',
     'LIST_USERS': 'Listar Usuários',
-    'CREATE_CUSTOM_TAG': 'Criar tag personalizada',
     'BAN_USERS': 'Ban Usuários',
     'LIST_ARTICLES': 'Lista de Artigos',
     'STAFF_MEMBERS': 'Funcionários',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Esta conta está desativada.',
     'INVALID_SYNTAX': 'Sintaxe inválida.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Este departamento tem ingressos criados por não funcionários e não pode ser privado',
+    'CURRENTLY_UNAVAILABLE': 'Atualmente indisponivel',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Você se registrou com sucesso em nosso sistema de suporte.',
diff --git a/client/src/data/languages/ru.js b/client/src/data/languages/ru.js
index b74951d9..663ad581 100644
--- a/client/src/data/languages/ru.js
+++ b/client/src/data/languages/ru.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'персонализированных ответы',
     'CUSTOM_TAGS': 'Пользовательские теги',
     'LIST_USERS': 'Список пользователей',
-    'CREATE_CUSTOM_TAG': 'Создать пользовательский тег',
     'BAN_USERS': 'заблокированные пользователи',
     'LIST_ARTICLES': 'Список статей',
     'STAFF_MEMBERS': 'Штатные сотрудники',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Эта учетная запись отключена.',
     'DEPARTMENT_PRIVATE_TICKETS': 'У этого отдела есть билеты, созданные не сотрудниками, и он не может быть приватным',
     'INVALID_SYNTAX': 'Недопустимый синтаксис.',
+    'CURRENTLY_UNAVAILABLE': 'в настоящее время недоступен',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Вы успешно зарегистрировались в нашей системе поддержки.',
diff --git a/client/src/data/languages/tr.js b/client/src/data/languages/tr.js
index 10303fc2..7b298bdd 100644
--- a/client/src/data/languages/tr.js
+++ b/client/src/data/languages/tr.js
@@ -49,7 +49,6 @@ export default {
     'CUSTOM_RESPONSES': 'Özel Yanıtlar',
     'CUSTOM_TAGS': 'Özel Etiketler',
     'LIST_USERS': 'Kullanıcıları Listele',
-    'CREATE_CUSTOM_TAG': 'Özel etiket oluştur',
     'BAN_USERS': 'Kullanıcıları Yasaklama',
     'LIST_ARTICLES': 'Makale Listesi',
     'STAFF_MEMBERS': 'Personel üyeleri',
@@ -366,6 +365,7 @@ export default {
     'USER_DISABLED': 'Bu hesap devre dışı.',
     'DEPARTMENT_PRIVATE_TICKETS': 'Bu departman, personel olmayanlar tarafından oluşturulan biletlere sahiptir ve özel olamaz',
     'INVALID_SYNTAX': 'Geçersiz sözdizimi.',
+    'CURRENTLY_UNAVAILABLE': 'Şu anda kullanılamıyor',
 
     //MESSAGES
     'SIGNUP_SUCCESS': 'Destek sistemimize başarılı bir şekilde kayıt oldunuz.',
diff --git a/client/src/index.php b/client/src/index.php
index c74539dc..0bd4d901 100755
--- a/client/src/index.php
+++ b/client/src/index.php
@@ -19,7 +19,7 @@
         <div id="app"></div>
 
         <script>
-            opensupports_version = '4.3.2';
+            opensupports_version = '4.4.0';
             root = "<?=$url ?>";
             apiRoot = '<?=$url ?>/api';
             globalIndexPath = "<?=$path ?>";
diff --git a/server/apidoc.json b/server/apidoc.json
index 338bc9d5..28b8bb6d 100644
--- a/server/apidoc.json
+++ b/server/apidoc.json
@@ -1,6 +1,6 @@
 {
   "name": "OpenSupports API Documentation",
-  "version": "4.3.2",
+  "version": "4.4.0",
   "title": "OpenSupports API Documentation",
   "description": "Backend API documentation for developers.",
   "header": {
diff --git a/server/controllers/article/add-topic.php b/server/controllers/article/add-topic.php
index 3f47c883..777c7432 100755
--- a/server/controllers/article/add-topic.php
+++ b/server/controllers/article/add-topic.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/add-topic Add topic
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add topic
  *
diff --git a/server/controllers/article/add.php b/server/controllers/article/add.php
index 6ed0bfbf..e7c22a16 100755
--- a/server/controllers/article/add.php
+++ b/server/controllers/article/add.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/add Add article
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add article
  *
diff --git a/server/controllers/article/delete-topic.php b/server/controllers/article/delete-topic.php
index fc0012e2..9293aa42 100755
--- a/server/controllers/article/delete-topic.php
+++ b/server/controllers/article/delete-topic.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/delete-topic Delete topic
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete topic
  *
diff --git a/server/controllers/article/delete.php b/server/controllers/article/delete.php
index bbebb68b..c1047bfb 100755
--- a/server/controllers/article/delete.php
+++ b/server/controllers/article/delete.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/delete Delete article
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete article
  *
diff --git a/server/controllers/article/edit-topic.php b/server/controllers/article/edit-topic.php
index 6ecc941e..722b6325 100755
--- a/server/controllers/article/edit-topic.php
+++ b/server/controllers/article/edit-topic.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/edit-topic Edit topic
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit topic
  *
diff --git a/server/controllers/article/edit.php b/server/controllers/article/edit.php
index 78679634..da0115d3 100755
--- a/server/controllers/article/edit.php
+++ b/server/controllers/article/edit.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/edit Edit article
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit a article
  *
diff --git a/server/controllers/article/get-all.php b/server/controllers/article/get-all.php
index ccfb2a8e..12aec0fc 100755
--- a/server/controllers/article/get-all.php
+++ b/server/controllers/article/get-all.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /article/get-all Get all articles
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get all articles
  *
diff --git a/server/controllers/staff/add.php b/server/controllers/staff/add.php
index 44ba36e4..80f9dad2 100755
--- a/server/controllers/staff/add.php
+++ b/server/controllers/staff/add.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /staff/add Add staff
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add staff
  *
diff --git a/server/controllers/staff/assign-ticket.php b/server/controllers/staff/assign-ticket.php
index 0e38478b..bcd409f1 100755
--- a/server/controllers/staff/assign-ticket.php
+++ b/server/controllers/staff/assign-ticket.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /staff/assign-ticket Assign ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Assign ticket
  *
diff --git a/server/controllers/staff/delete.php b/server/controllers/staff/delete.php
index d923c762..70ff34fe 100755
--- a/server/controllers/staff/delete.php
+++ b/server/controllers/staff/delete.php
@@ -4,7 +4,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /staff/delete Delete staff
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete staff
  *
diff --git a/server/controllers/staff/edit.php b/server/controllers/staff/edit.php
index 5cab5799..ec2cf0c5 100755
--- a/server/controllers/staff/edit.php
+++ b/server/controllers/staff/edit.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/edit Edit staff
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit staff
  *
diff --git a/server/controllers/staff/get-all-tickets.php b/server/controllers/staff/get-all-tickets.php
index 796ba4c1..b15f7808 100755
--- a/server/controllers/staff/get-all-tickets.php
+++ b/server/controllers/staff/get-all-tickets.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/get-all-tickets Get all tickets according to search
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get all tickets
  *
diff --git a/server/controllers/staff/get-all.php b/server/controllers/staff/get-all.php
index 07716980..2e48ee1d 100755
--- a/server/controllers/staff/get-all.php
+++ b/server/controllers/staff/get-all.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/get-all  Get all staffs
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get all staffs
  *
diff --git a/server/controllers/staff/get-new-tickets.php b/server/controllers/staff/get-new-tickets.php
index 212ebda6..208749d6 100755
--- a/server/controllers/staff/get-new-tickets.php
+++ b/server/controllers/staff/get-new-tickets.php
@@ -4,7 +4,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/get-new-tickets Get new tickets
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get new tickets
  *
diff --git a/server/controllers/staff/get-tickets.php b/server/controllers/staff/get-tickets.php
index 5066c524..e441a722 100755
--- a/server/controllers/staff/get-tickets.php
+++ b/server/controllers/staff/get-tickets.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/get-tickets Get tickets
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get tickets
  *
diff --git a/server/controllers/staff/get.php b/server/controllers/staff/get.php
index 891f8a9a..5ab4ee0d 100755
--- a/server/controllers/staff/get.php
+++ b/server/controllers/staff/get.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /staff/get Get staff
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get staff
  *
diff --git a/server/controllers/staff/last-events.php b/server/controllers/staff/last-events.php
index 3ec32536..8d03d630 100755
--- a/server/controllers/staff/last-events.php
+++ b/server/controllers/staff/last-events.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/last-events Get last events
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get last events
  *
diff --git a/server/controllers/staff/search-tickets.php b/server/controllers/staff/search-tickets.php
index e88e146f..c74a7582 100755
--- a/server/controllers/staff/search-tickets.php
+++ b/server/controllers/staff/search-tickets.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /staff/search-tickets Search tickets
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Search tickets
  *
diff --git a/server/controllers/staff/un-assign-ticket.php b/server/controllers/staff/un-assign-ticket.php
index d62da040..83030477 100755
--- a/server/controllers/staff/un-assign-ticket.php
+++ b/server/controllers/staff/un-assign-ticket.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /staff/un-assign-ticket Un-assign ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Un-assign ticket
  *
diff --git a/server/controllers/system/add-api-key.php b/server/controllers/system/add-api-key.php
index 3065b531..500d3c02 100755
--- a/server/controllers/system/add-api-key.php
+++ b/server/controllers/system/add-api-key.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/add-api-key Add APIKey
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add APIKey
  *
diff --git a/server/controllers/system/add-department.php b/server/controllers/system/add-department.php
index 3992283c..81599c7b 100755
--- a/server/controllers/system/add-department.php
+++ b/server/controllers/system/add-department.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/add-department Add department
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add department
  *
diff --git a/server/controllers/system/backup-database.php b/server/controllers/system/backup-database.php
index 832dee76..aadde22e 100755
--- a/server/controllers/system/backup-database.php
+++ b/server/controllers/system/backup-database.php
@@ -3,7 +3,7 @@ use Ifsnop\Mysqldump as IMysqldump;
 
 /**
  * @api {post} /system/backup-database Backup database
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Backup database
  *
diff --git a/server/controllers/system/check-requirements.php b/server/controllers/system/check-requirements.php
index bb0eaf85..1e6251ea 100755
--- a/server/controllers/system/check-requirements.php
+++ b/server/controllers/system/check-requirements.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/check-requirements Checks requirements
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Check requirements
  *
diff --git a/server/controllers/system/csv-import.php b/server/controllers/system/csv-import.php
index 94513c04..c1c14e59 100755
--- a/server/controllers/system/csv-import.php
+++ b/server/controllers/system/csv-import.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/csv-import CSV import
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName CSV import
  *
diff --git a/server/controllers/system/delete-all-users.php b/server/controllers/system/delete-all-users.php
index 6cb61b2e..a2e3191b 100755
--- a/server/controllers/system/delete-all-users.php
+++ b/server/controllers/system/delete-all-users.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /system/delete-all-users Delete all users
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete all users
  *
diff --git a/server/controllers/system/delete-api-key.php b/server/controllers/system/delete-api-key.php
index b7c35666..afd2baf3 100755
--- a/server/controllers/system/delete-api-key.php
+++ b/server/controllers/system/delete-api-key.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/delete-api-key Delete APIKey
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete APIKey
  *
diff --git a/server/controllers/system/delete-department.php b/server/controllers/system/delete-department.php
index db61ce9f..fc751a62 100755
--- a/server/controllers/system/delete-department.php
+++ b/server/controllers/system/delete-department.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /system/delete-department Delete department
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete department
  *
diff --git a/server/controllers/system/disable-registration.php b/server/controllers/system/disable-registration.php
index 12fc7c9c..ef4434a3 100755
--- a/server/controllers/system/disable-registration.php
+++ b/server/controllers/system/disable-registration.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/disable-registration Disable registration
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Disable registration
  *
diff --git a/server/controllers/system/disable-user-system.php b/server/controllers/system/disable-user-system.php
index c217e8d6..34f671e2 100755
--- a/server/controllers/system/disable-user-system.php
+++ b/server/controllers/system/disable-user-system.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/disable-user-system Disable user system
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Disable user system
  *
diff --git a/server/controllers/system/download.php b/server/controllers/system/download.php
index 5e7042e5..2a1de807 100755
--- a/server/controllers/system/download.php
+++ b/server/controllers/system/download.php
@@ -4,7 +4,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {get} /system/download Download file
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Download file
  *
diff --git a/server/controllers/system/edit-department.php b/server/controllers/system/edit-department.php
index c5a20c21..84b27c66 100755
--- a/server/controllers/system/edit-department.php
+++ b/server/controllers/system/edit-department.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /system/edit-department Edit department
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit department
  *
diff --git a/server/controllers/system/edit-mail-template.php b/server/controllers/system/edit-mail-template.php
index 2646c21a..6a56d55c 100755
--- a/server/controllers/system/edit-mail-template.php
+++ b/server/controllers/system/edit-mail-template.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/edit-mail-template Edit mail template
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit mail template
  *
diff --git a/server/controllers/system/edit-settings.php b/server/controllers/system/edit-settings.php
index e8a0aeb1..298d9f8a 100755
--- a/server/controllers/system/edit-settings.php
+++ b/server/controllers/system/edit-settings.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/edit-settings Edit settings
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit settings
  *
diff --git a/server/controllers/system/enable-registration.php b/server/controllers/system/enable-registration.php
index c9c82cd9..764776be 100755
--- a/server/controllers/system/enable-registration.php
+++ b/server/controllers/system/enable-registration.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/enable-registration Enable registration
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Enable registration 
  *
diff --git a/server/controllers/system/enable-user-system.php b/server/controllers/system/enable-user-system.php
index a53b7674..b7eb045f 100755
--- a/server/controllers/system/enable-user-system.php
+++ b/server/controllers/system/enable-user-system.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/enable-user-system Enable user system
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Enable user system
  *
diff --git a/server/controllers/system/get-api-keys.php b/server/controllers/system/get-api-keys.php
index c3ec0fd2..e1d7d282 100755
--- a/server/controllers/system/get-api-keys.php
+++ b/server/controllers/system/get-api-keys.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/get-api-keys Get APIKeys
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get APIKeys
  *
diff --git a/server/controllers/system/get-logs.php b/server/controllers/system/get-logs.php
index 882b709d..a90089d7 100755
--- a/server/controllers/system/get-logs.php
+++ b/server/controllers/system/get-logs.php
@@ -4,7 +4,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /system/get-logs Get logs
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get logs
  *
diff --git a/server/controllers/system/get-mail-template-list.php b/server/controllers/system/get-mail-template-list.php
index bbe0532c..cd9332c3 100755
--- a/server/controllers/system/get-mail-template-list.php
+++ b/server/controllers/system/get-mail-template-list.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/get-mail-template-list Get mail template
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get mail template list
  *
diff --git a/server/controllers/system/get-mail-template.php b/server/controllers/system/get-mail-template.php
index 0c71d82f..ea1915f0 100755
--- a/server/controllers/system/get-mail-template.php
+++ b/server/controllers/system/get-mail-template.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/get-mail-template Get mail template
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get mail template
  *
diff --git a/server/controllers/system/get-settings.php b/server/controllers/system/get-settings.php
index 0940df2e..087e78e0 100755
--- a/server/controllers/system/get-settings.php
+++ b/server/controllers/system/get-settings.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/get-settings Get settings
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get settings
  *
diff --git a/server/controllers/system/get-stats.php b/server/controllers/system/get-stats.php
index 857d1300..1d379bdf 100755
--- a/server/controllers/system/get-stats.php
+++ b/server/controllers/system/get-stats.php
@@ -4,7 +4,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /system/get-stats Get stats
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get stats
  *
@@ -41,6 +41,8 @@ class GetStatsController extends Controller {
     }
 
     public function handler() {
+        throw new ValidationException(ERRORS::UNAVAILABLE_STATS);
+        /*
         $this->generateNewStats();
         $this->deleteLastStats();
 
@@ -55,7 +57,7 @@ class GetStatsController extends Controller {
             $this->getStaffStat();
         } else {
             $this->getGeneralStat();
-        }
+        }*/
     }
 
     public function generateNewStats() {
diff --git a/server/controllers/system/init-admin.php b/server/controllers/system/init-admin.php
index 034e0e8e..e6e7451d 100755
--- a/server/controllers/system/init-admin.php
+++ b/server/controllers/system/init-admin.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /system/init-admin Init admin
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Init admin
  *
diff --git a/server/controllers/system/init-database.php b/server/controllers/system/init-database.php
index ec9b762d..eafa974e 100755
--- a/server/controllers/system/init-database.php
+++ b/server/controllers/system/init-database.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /system/init-database Init database
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Init database
  *
diff --git a/server/controllers/system/init-settings.php b/server/controllers/system/init-settings.php
index 696a0fda..8ab0daa5 100755
--- a/server/controllers/system/init-settings.php
+++ b/server/controllers/system/init-settings.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /system/init-settings Init settings
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Init settings
  *
diff --git a/server/controllers/system/installation-done.php b/server/controllers/system/installation-done.php
index f47002b0..33d1f704 100755
--- a/server/controllers/system/installation-done.php
+++ b/server/controllers/system/installation-done.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /system/installation-done Installation done
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Installation done
  *
diff --git a/server/controllers/system/recover-mail-template.php b/server/controllers/system/recover-mail-template.php
index 9e17b466..0734ceaa 100755
--- a/server/controllers/system/recover-mail-template.php
+++ b/server/controllers/system/recover-mail-template.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/recover-mail-template Recover mail template
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Recover mail template
  *
diff --git a/server/controllers/system/test-imap.php b/server/controllers/system/test-imap.php
index c85718d0..a72d1ba3 100755
--- a/server/controllers/system/test-imap.php
+++ b/server/controllers/system/test-imap.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /system/test-imap Test IMAP Connection
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Test IMAP Connection
  *
diff --git a/server/controllers/system/test-smtp.php b/server/controllers/system/test-smtp.php
index 47244175..bba4be72 100755
--- a/server/controllers/system/test-smtp.php
+++ b/server/controllers/system/test-smtp.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /system/test-smtp Test SMTP Connection
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Test SMTP Connection
  *
diff --git a/server/controllers/ticket/add-custom-response.php b/server/controllers/ticket/add-custom-response.php
index f09ed34d..74890e3f 100755
--- a/server/controllers/ticket/add-custom-response.php
+++ b/server/controllers/ticket/add-custom-response.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/add-custom-response Add custom responses
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add a custom response
  *
diff --git a/server/controllers/ticket/add-tag.php b/server/controllers/ticket/add-tag.php
index 425e333b..1a08c47d 100644
--- a/server/controllers/ticket/add-tag.php
+++ b/server/controllers/ticket/add-tag.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/add-tag Add tag
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Add tag
  *
diff --git a/server/controllers/ticket/change-department.php b/server/controllers/ticket/change-department.php
index c95bd03d..9251fa1d 100755
--- a/server/controllers/ticket/change-department.php
+++ b/server/controllers/ticket/change-department.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/change-department Change department
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Change department
  *
diff --git a/server/controllers/ticket/change-priority.php b/server/controllers/ticket/change-priority.php
index 627eb763..2c6992a8 100755
--- a/server/controllers/ticket/change-priority.php
+++ b/server/controllers/ticket/change-priority.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /ticket/change-priority Change priority
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Change priority
  *
diff --git a/server/controllers/ticket/check.php b/server/controllers/ticket/check.php
index d90f5095..c4364daf 100755
--- a/server/controllers/ticket/check.php
+++ b/server/controllers/ticket/check.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/check Check ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Check ticket
  *
diff --git a/server/controllers/ticket/close.php b/server/controllers/ticket/close.php
index aa255278..e70fc1f2 100755
--- a/server/controllers/ticket/close.php
+++ b/server/controllers/ticket/close.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/close Close ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Close
  *
diff --git a/server/controllers/ticket/comment.php b/server/controllers/ticket/comment.php
index 1d7c7655..c446b809 100755
--- a/server/controllers/ticket/comment.php
+++ b/server/controllers/ticket/comment.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/comment Comment ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Comment ticket
  *
diff --git a/server/controllers/ticket/create-tag.php b/server/controllers/ticket/create-tag.php
index 8324d7fc..dd48ba5d 100644
--- a/server/controllers/ticket/create-tag.php
+++ b/server/controllers/ticket/create-tag.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/create-tag Create tag
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Create tag
  *
diff --git a/server/controllers/ticket/create.php b/server/controllers/ticket/create.php
index 6b3737c4..8afb1513 100755
--- a/server/controllers/ticket/create.php
+++ b/server/controllers/ticket/create.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/create Create ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Create ticket
  *
diff --git a/server/controllers/ticket/delete-custom-response.php b/server/controllers/ticket/delete-custom-response.php
index 7f0a9dba..80ae948d 100755
--- a/server/controllers/ticket/delete-custom-response.php
+++ b/server/controllers/ticket/delete-custom-response.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/delete-custom-response Delete custom response
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete custom response
  *
diff --git a/server/controllers/ticket/delete-tag.php b/server/controllers/ticket/delete-tag.php
index 76d7f855..78213d14 100644
--- a/server/controllers/ticket/delete-tag.php
+++ b/server/controllers/ticket/delete-tag.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/delete-tag Delete a tag
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete tag
  *
diff --git a/server/controllers/ticket/delete.php b/server/controllers/ticket/delete.php
index dcb11072..7e447f99 100644
--- a/server/controllers/ticket/delete.php
+++ b/server/controllers/ticket/delete.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/delete Delete a ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete ticket
  *
diff --git a/server/controllers/ticket/edit-custom-response.php b/server/controllers/ticket/edit-custom-response.php
index b3e00ce4..dad7db3f 100755
--- a/server/controllers/ticket/edit-custom-response.php
+++ b/server/controllers/ticket/edit-custom-response.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/edit-custom-response Edit custom response
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit custom response
  *
diff --git a/server/controllers/ticket/edit-tag.php b/server/controllers/ticket/edit-tag.php
index 2a070bd2..2fe5e984 100644
--- a/server/controllers/ticket/edit-tag.php
+++ b/server/controllers/ticket/edit-tag.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/edit-tag Edit tag
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit tag
  *
diff --git a/server/controllers/ticket/get-custom-responses.php b/server/controllers/ticket/get-custom-responses.php
index f6a7d2e2..cb562c2b 100755
--- a/server/controllers/ticket/get-custom-responses.php
+++ b/server/controllers/ticket/get-custom-responses.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/get-custom-responses Get custom responses
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get custom responses
  *
diff --git a/server/controllers/ticket/get-tags.php b/server/controllers/ticket/get-tags.php
index 3052f70c..ea0962ab 100644
--- a/server/controllers/ticket/get-tags.php
+++ b/server/controllers/ticket/get-tags.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/get-tags Get tags
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get tags
  *
diff --git a/server/controllers/ticket/get.php b/server/controllers/ticket/get.php
index 15b4c7a4..e4c7566b 100755
--- a/server/controllers/ticket/get.php
+++ b/server/controllers/ticket/get.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 DataValidator::with('CustomValidations', true);
 /**
  * @api {post} /ticket/get Get ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get ticket
  *
diff --git a/server/controllers/ticket/re-open.php b/server/controllers/ticket/re-open.php
index 14925858..e54dc492 100755
--- a/server/controllers/ticket/re-open.php
+++ b/server/controllers/ticket/re-open.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /ticket/re-open Reopen ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Reopen ticket
  *
diff --git a/server/controllers/ticket/remove-tag.php b/server/controllers/ticket/remove-tag.php
index 73837aaf..0b5ebaee 100644
--- a/server/controllers/ticket/remove-tag.php
+++ b/server/controllers/ticket/remove-tag.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /ticket/remove-tag Remove tag
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Remove tag
  *
diff --git a/server/controllers/ticket/seen.php b/server/controllers/ticket/seen.php
index 14701c54..625e6fd7 100755
--- a/server/controllers/ticket/seen.php
+++ b/server/controllers/ticket/seen.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /ticket/seen See ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName See ticket
  *
diff --git a/server/controllers/user/ban.php b/server/controllers/user/ban.php
index 75cf0ab5..a9242c58 100755
--- a/server/controllers/user/ban.php
+++ b/server/controllers/user/ban.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/ban Ban email
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Ban email
  *
diff --git a/server/controllers/user/check-session.php b/server/controllers/user/check-session.php
index 9bc34319..ade7fdb3 100755
--- a/server/controllers/user/check-session.php
+++ b/server/controllers/user/check-session.php
@@ -2,7 +2,7 @@
 
 /**
  * @api {post} /user/check-session Check session
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Check session
  *
diff --git a/server/controllers/user/delete.php b/server/controllers/user/delete.php
index a3bb587a..9d4fd2e8 100755
--- a/server/controllers/user/delete.php
+++ b/server/controllers/user/delete.php
@@ -4,7 +4,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /user/delete Delete user
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Delete user
  *
diff --git a/server/controllers/user/disable.php b/server/controllers/user/disable.php
index 87b9a96b..0b3132f8 100644
--- a/server/controllers/user/disable.php
+++ b/server/controllers/user/disable.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/disable Ban email
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Disable User
  *
diff --git a/server/controllers/user/edit-email.php b/server/controllers/user/edit-email.php
index 01d241f4..6fb75a66 100755
--- a/server/controllers/user/edit-email.php
+++ b/server/controllers/user/edit-email.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/edit-email Edit email
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit email
  *
diff --git a/server/controllers/user/edit-password.php b/server/controllers/user/edit-password.php
index 8551fd4a..a76c76c2 100755
--- a/server/controllers/user/edit-password.php
+++ b/server/controllers/user/edit-password.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/edit-password Edit password
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Edit password
  *
diff --git a/server/controllers/user/enable.php b/server/controllers/user/enable.php
index 2cb82a7b..164c8e4e 100644
--- a/server/controllers/user/enable.php
+++ b/server/controllers/user/enable.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/enable Ban email
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Enable User
  *
diff --git a/server/controllers/user/get-user.php b/server/controllers/user/get-user.php
index 3cc021a1..bd7a0670 100755
--- a/server/controllers/user/get-user.php
+++ b/server/controllers/user/get-user.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /user/get-user Get user information
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get user information
  *
diff --git a/server/controllers/user/get-users.php b/server/controllers/user/get-users.php
index 7512745f..b5101ff6 100755
--- a/server/controllers/user/get-users.php
+++ b/server/controllers/user/get-users.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/get-users Get users list
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get users list
  *
diff --git a/server/controllers/user/get.php b/server/controllers/user/get.php
index 74dc1a16..38894be2 100755
--- a/server/controllers/user/get.php
+++ b/server/controllers/user/get.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /user/get Get my information
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get my Information
  *
diff --git a/server/controllers/user/list-ban.php b/server/controllers/user/list-ban.php
index 934e7826..6eadb863 100755
--- a/server/controllers/user/list-ban.php
+++ b/server/controllers/user/list-ban.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/list-ban Get ban list
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Get ban list
  *
diff --git a/server/controllers/user/login.php b/server/controllers/user/login.php
index 6d31d6d5..eea4ea50 100755
--- a/server/controllers/user/login.php
+++ b/server/controllers/user/login.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {post} /user/login Login
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Login
  *
diff --git a/server/controllers/user/logout.php b/server/controllers/user/logout.php
index c3ba640d..e0391788 100755
--- a/server/controllers/user/logout.php
+++ b/server/controllers/user/logout.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {post} /user/logout Log out
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Log out 
  *
diff --git a/server/controllers/user/recover-password.php b/server/controllers/user/recover-password.php
index cfa780da..3b3adf25 100755
--- a/server/controllers/user/recover-password.php
+++ b/server/controllers/user/recover-password.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /user/recover-password Recover password
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Recover password
  *
diff --git a/server/controllers/user/send-recover-password.php b/server/controllers/user/send-recover-password.php
index 75912cd7..25dba682 100755
--- a/server/controllers/user/send-recover-password.php
+++ b/server/controllers/user/send-recover-password.php
@@ -4,7 +4,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /user/send-recover-password Send password recovery
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Send password recovery
  *
diff --git a/server/controllers/user/signup.php b/server/controllers/user/signup.php
index a322baaa..f04d233d 100755
--- a/server/controllers/user/signup.php
+++ b/server/controllers/user/signup.php
@@ -5,7 +5,7 @@ DataValidator::with('CustomValidations', true);
 
 /**
  * @api {post} /user/signup Sign up
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Sign up
  *
diff --git a/server/controllers/user/un-ban.php b/server/controllers/user/un-ban.php
index d26a81d7..d9885422 100755
--- a/server/controllers/user/un-ban.php
+++ b/server/controllers/user/un-ban.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/un-ban Un ban
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Un ban
  *
diff --git a/server/controllers/user/verify.php b/server/controllers/user/verify.php
index 93201dfe..ab4ad91b 100755
--- a/server/controllers/user/verify.php
+++ b/server/controllers/user/verify.php
@@ -3,7 +3,7 @@ use Respect\Validation\Validator as DataValidator;
 
 /**
  * @api {post} /user/verify Verify email
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  *
  * @apiName Verify email
  *
diff --git a/server/data/ERRORS.php b/server/data/ERRORS.php
index fe0f5213..2a5ee462 100755
--- a/server/data/ERRORS.php
+++ b/server/data/ERRORS.php
@@ -243,6 +243,10 @@
  * @apiDefine INVALID_CUSTOM_FIELD_OPTION
  * @apiError {String} INVALID_CUSTOM_FIELD_OPTION Option is not in the list of possibles
  */
+/**
+ * @apiDefine UNAVAILABLE_STATS
+ * @apiError {String} UNAVAILABLE_STATS Stats are currently unavailable
+ */
 
 class ERRORS {
     const INVALID_CREDENTIALS = 'INVALID_CREDENTIALS';
@@ -307,4 +311,5 @@ class ERRORS {
     const INVALID_CUSTOM_FIELD_TYPE = 'INVALID_CUSTOM_FIELD_TYPE';
     const INVALID_CUSTOM_FIELD_OPTIONS = 'INVALID_CUSTOM_FIELD_OPTIONS';
     const INVALID_CUSTOM_FIELD_OPTION = 'INVALID_CUSTOM_FIELD_OPTION';
+    const UNAVAILABLE_STATS = 'UNAVAILABLE_STATS';
 }
diff --git a/server/libs/Controller.php b/server/libs/Controller.php
index 62a7d606..e8c61ff2 100755
--- a/server/libs/Controller.php
+++ b/server/libs/Controller.php
@@ -19,7 +19,7 @@ abstract class Controller {
                 $this->validate();
                 $this->handler();
             } catch (\Exception $exception) {
-                Response::respondError($exception->getMessage(), $exception, [$exception->__toString()]);
+                Response::respondError($exception->getMessage(), $exception);
                 return;
             }
         };
diff --git a/server/models/APIKey.php b/server/models/APIKey.php
index 3ceec54c..8e7a9aa2 100755
--- a/server/models/APIKey.php
+++ b/server/models/APIKey.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} APIKey APIKey
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String} name Name of the APIKey.
  * @apiParam {String} token Token of the APIKey.
diff --git a/server/models/Article.php b/server/models/Article.php
index d3e0ef36..146aab90 100755
--- a/server/models/Article.php
+++ b/server/models/Article.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Article Article
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number} id Id of the article.
  * @apiParam {String} title Title of the article.
diff --git a/server/models/Ban.php b/server/models/Ban.php
index 65f9ae6d..ac8d1c52 100755
--- a/server/models/Ban.php
+++ b/server/models/Ban.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Ban Ban
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Email} email The email address that is banned.
  */
diff --git a/server/models/CustomResponse.php b/server/models/CustomResponse.php
index 994a2d65..2fcbdea5 100755
--- a/server/models/CustomResponse.php
+++ b/server/models/CustomResponse.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} CustomResponse CustomResponse
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number} id Id of the custom response.
  * @apiParam {String} content Content of the custom response.
diff --git a/server/models/Department.php b/server/models/Department.php
index f69d87a9..fdfef40e 100755
--- a/server/models/Department.php
+++ b/server/models/Department.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {OBJECT} Department Department
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number} id Id of the department.
  * @apiParam {String} name Name of the department.
diff --git a/server/models/Log.php b/server/models/Log.php
index 71a94180..350ddc37 100755
--- a/server/models/Log.php
+++ b/server/models/Log.php
@@ -2,7 +2,7 @@
 use RedBeanPHP\Facade as RedBean;
 /**
  * @api {OBJECT} Log Log
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String} type The type of the log.
  * @apiParam {String} to Object where the action was performed.
diff --git a/server/models/MailTemplate.php b/server/models/MailTemplate.php
index f985dfe3..654e8734 100755
--- a/server/models/MailTemplate.php
+++ b/server/models/MailTemplate.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {OBJECT} MailTemplate MailTemplate
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String} type The type of the mail template.
  * @apiParam {String} subject The subject of the mail template.
diff --git a/server/models/Staff.php b/server/models/Staff.php
index 3a2e65a3..ff30d8a9 100755
--- a/server/models/Staff.php
+++ b/server/models/Staff.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Staff Staff
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String} name Name of the staff member.
  * @apiParam {String} email Email of the staff member.
diff --git a/server/models/Stat.php b/server/models/Stat.php
index 653fcbd6..f1433fe3 100755
--- a/server/models/Stat.php
+++ b/server/models/Stat.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Stat Stat
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number} date The date of the stat as a number in format YYYYMMDD.
  * @apiParam {String} type The type of the stat. It can be CREATE_TICKET, CLOSE, SIGNUP, COMMENT, ASSIGN or UNASSIGN
diff --git a/server/models/Ticket.php b/server/models/Ticket.php
index 1530a888..6e7c3148 100755
--- a/server/models/Ticket.php
+++ b/server/models/Ticket.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Ticket Ticket
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number}  ticketNumber The number of the ticket.
  * @apiParam {String}  title The title of the ticket.
diff --git a/server/models/Ticketevent.php b/server/models/Ticketevent.php
index db48f206..e62f7152 100755
--- a/server/models/Ticketevent.php
+++ b/server/models/Ticketevent.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} TicketEvent TicketEvent
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String}  type The type of the ticket event. It can be COMMENT, ASSIGN, UN_ASSIGN, CLOSE, RE_OPEN, DEPARTMENT_CHANGED or PRIORITY_CHANGED
  * @apiParam {String}  content The content of the ticket event.
diff --git a/server/models/Topic.php b/server/models/Topic.php
index bfff4f68..b6d0eb65 100755
--- a/server/models/Topic.php
+++ b/server/models/Topic.php
@@ -1,7 +1,7 @@
 <?php
 /**
  * @api {OBJECT} Topic Topic
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {Number} id Id of the topic.
  * @apiParam {String} name Name of the topic.
diff --git a/server/models/User.php b/server/models/User.php
index 15ff0787..2c2cc7d5 100755
--- a/server/models/User.php
+++ b/server/models/User.php
@@ -3,7 +3,7 @@ use RedBeanPHP\Facade as RedBean;
 
 /**
  * @api {OBJECT} User User
- * @apiVersion 4.3.2
+ * @apiVersion 4.4.0
  * @apiGroup Data Structures
  * @apiParam {String} email The email of the user.
  * @apiParam {Number} id The id of the user.
diff --git a/tests/init.rb b/tests/init.rb
index ca0a90b3..2002848b 100644
--- a/tests/init.rb
+++ b/tests/init.rb
@@ -69,4 +69,4 @@ require './ticket/delete-tag.rb'
 require './ticket/add-tag.rb'
 require './ticket/delete-tag.rb'
 require './system/disable-user-system.rb'
-require './system/get-stats.rb'
+# require './system/get-stats.rb'
diff --git a/version_upgrades/4.4.0/4.4.0.php b/version_upgrades/4.4.0/4.4.0.php
new file mode 100644
index 00000000..af259f5b
--- /dev/null
+++ b/version_upgrades/4.4.0/4.4.0.php
@@ -0,0 +1,46 @@
+<?php
+require_once '../mysql_connect.php';
+
+print 'Begin update v4.4.0...' . PHP_EOL;
+
+// Update Settings
+print '[1/1] Update email settings..' . PHP_EOL;
+$noReplyEmailSetting = Setting::getSetting('no-reply-email');
+$smtpHost = Setting::getSetting('smtp-host');
+$smtpPort = Setting::getSetting('smtp-port');
+$smtpPassword = Setting::getSetting('smtp-pass');
+
+if($smtpPort->getValue()) $smtpHost->value = $smtpHost->getValue() . ':' . $smtpPort->getValue();
+
+$serverEmail = new Setting();
+$serverEmail->setProperties([
+    'name' => 'server-email',
+    'value' => $noReplyEmailSetting->getValue(),
+]);
+$imapHost = new Setting();
+$imapHost->setProperties([
+    'name' => 'imap-host',
+    'value' => '',
+]);
+$imapUser = new Setting();
+$imapUser->setProperties([
+    'name' => 'imap-user',
+    'value' => '',
+]);
+$imapPass = new Setting();
+$imapPass->setProperties([
+    'name' => 'imap-pass',
+    'value' => '',
+]);
+
+$noReplyEmailSetting->delete();
+$smtpPort->delete();
+
+$smtpHost->store();
+$smtpPassword->store();
+$serverEmail->store();
+$imapHost->store();
+$imapUser->store();
+$imapPass->store();
+
+print 'Update Completed!' . PHP_EOL;
diff --git a/version_upgrades/4.4.0/models/DataStore.php b/version_upgrades/4.4.0/models/DataStore.php
new file mode 100644
index 00000000..b13f7294
--- /dev/null
+++ b/version_upgrades/4.4.0/models/DataStore.php
@@ -0,0 +1,180 @@
+<?php
+use RedBeanPHP\Facade as RedBean;
+
+abstract class DataStore {
+    protected $_bean;
+    protected $properties = [];
+
+    public static function isTableEmpty() {
+        return (RedBean::count(static::TABLE) === 0);
+    }
+
+    public static function getDataStore($value, $property = 'id') {
+        $bean = RedBean::findOne(static::TABLE, static::validateProp($property) . ' =:value', array(
+            ':value'  => $value
+        ));
+
+        return ($bean) ? new static($bean) : new NullDataStore();
+    }
+
+    public static function count($addSQL = '', $bindings = array()) {
+       return RedBean::count(static::TABLE, $addSQL, $bindings);
+    }
+
+    public static function getAll() {
+        $beanList = RedBean::findAll(static::TABLE);
+        $dataStoreList = new DataStoreList();
+
+        foreach($beanList as $bean) {
+            $dataStoreList->add(new static($bean));
+        }
+
+        return $dataStoreList;
+    }
+    public static function find($query = '', $matches = []) {
+        $beanList = RedBean::find(static::TABLE, $query, $matches);
+
+        return DataStoreList::getList(ucfirst(static::TABLE), $beanList);
+    }
+
+    public static function findOne($query = '', $matches = []) {
+        $bean = RedBean::findOne(static::TABLE, $query, $matches);
+
+        return ($bean) ? new static($bean) : new NullDataStore();
+    }
+
+    private static function validateProp($propToValidate) {
+        $validProp = false;
+
+        foreach (static::getProps() as $prop) {
+            if ($propToValidate === $prop) {
+                $validProp = true;
+            }
+        }
+
+        return ($validProp) ? self::from_camel_case($propToValidate) : 'id';
+    }
+
+    private static function from_camel_case($input) {
+        preg_match_all('!([A-Z][A-Z0-9]*(?=$|[A-Z][a-z0-9])|[A-Za-z][a-z0-9]+)!', $input, $matches);
+        $ret = $matches[0];
+        foreach ($ret as &$match) {
+            $match = $match == strtoupper($match) ? strtolower($match) : lcfirst($match);
+        }
+        return implode('_', $ret);
+    }
+
+    public function __construct($beanInstance = null) {
+        if ($beanInstance) {
+            $this->setBean($beanInstance);
+        } else {
+            $this->setBean(RedBean::dispense(static::TABLE));
+            $this->setProperties($this->getDefaultProps());
+        }
+    }
+
+    public function getDefaultProps() {
+        return [];
+    }
+
+    public function setProperties($properties) {
+        foreach (static::getProps() as $PROP) {
+            if(array_key_exists($PROP, $properties)) {
+                $this->properties[$PROP] = $properties[$PROP];
+            }
+        }
+    }
+
+    public function __set($prop, $value) {
+        if (in_array($prop, static::getProps())) {
+            $this->properties[$prop] = $value;
+        } else {
+            throw new Exception("Invalid prop: $prop");
+        }
+    }
+
+    public function &__get($name) {
+        if (!array_key_exists($name, $this->properties) || !$this->properties[$name]) {
+            $this->properties[$name] = $this->parseBeanProp($name);
+        }
+
+        if ($name !== 'id') {
+            $property =& $this->properties[$name];
+        } else {
+            $property = $this->_bean->id;
+        }
+
+        return $property;
+    }
+
+    private function setBean($beanInstance) {
+        $this->_bean = $beanInstance;
+    }
+
+    private function parseBeanProp($prop) {
+        $parsedProp = $this->_bean[$prop];
+
+        if (strpos($prop, 'List')) {
+            $parsedProp = DataStoreList::getList($this->getListType($prop), $parsedProp);
+        } else if ($parsedProp instanceof \RedBeanPHP\OODBBean) {
+            $beanType = ucfirst($parsedProp->getPropertiesAndType()[1]);
+
+            $parsedProp = new $beanType($parsedProp);
+
+        }
+
+        return $parsedProp;
+    }
+
+    public function store() {
+        $this->updateBeanProperties();
+
+        return RedBean::store($this->getBeanInstance());
+    }
+
+    public function delete() {
+        RedBean::trash($this->getBeanInstance());
+    }
+
+    public function getBeanInstance() {
+        return $this->_bean;
+    }
+
+    public function isNull() {
+        return false;
+    }
+
+    public function updateBeanProperties() {
+        foreach ($this->properties as $key => $prop) {
+            $this->updateBeanProp($key, $prop);
+        }
+    }
+
+    public function withCondition($condition, $values) {
+       return new static($this->_bean->withCondition($condition, $values));
+    }
+
+    public function countShared($shared) {
+       return $this->_bean->countShared($shared);
+    }
+
+    private function updateBeanProp($key, $value) {
+        if ($value instanceof DataStoreList) {
+            $this->_bean[$key] = $value->toBeanList();
+        } else if ($value instanceof DataStore) {
+            $this->_bean[$key] = $value->getBeanInstance();
+        } else {
+            $this->_bean[$key] = $value;
+        }
+    }
+
+    private function getListType($listName) {
+        $listType = $listName;
+
+        $listType = str_replace('List', '', $listType);
+        $listType = str_replace('shared', '', $listType);
+        $listType = str_replace('own', '', $listType);
+
+        return $listType;
+    }
+}
diff --git a/version_upgrades/4.4.0/models/Setting.php b/version_upgrades/4.4.0/models/Setting.php
new file mode 100644
index 00000000..2535d5ca
--- /dev/null
+++ b/version_upgrades/4.4.0/models/Setting.php
@@ -0,0 +1,21 @@
+<?php
+
+class Setting extends DataStore {
+    const TABLE = 'setting';
+
+    public static function getSetting($name) {
+        return parent::getDataStore($name, 'name');
+    }
+
+    public static function getProps() {
+        return array(
+            'name',
+            'value',
+            'permission'
+        );
+    }
+
+    public function getValue() {
+        return $this->value;
+    }
+}
\ No newline at end of file