diff --git a/pandora_console/extensions/module_groups.php b/pandora_console/extensions/module_groups.php
index 4e1f0e791c..054eabb73d 100644
--- a/pandora_console/extensions/module_groups.php
+++ b/pandora_console/extensions/module_groups.php
@@ -196,6 +196,7 @@ function mainModuleGroups()
                     ON ta.id_agente = tam.id_agente
                 WHERE ta.disabled = 0
                     AND tam.disabled = 0
+                    AND tam.id_modulo <> 0
                     AND tam.delete_pending = 0
                     AND ta.id_grupo IN (%s)
                 GROUP BY tam.id_agente_modulo
diff --git a/pandora_console/extensions/resource_registration.php b/pandora_console/extensions/resource_registration.php
index 2f904dbf9f..f1fc645179 100755
--- a/pandora_console/extensions/resource_registration.php
+++ b/pandora_console/extensions/resource_registration.php
@@ -1,29 +1,43 @@
 <?php
+/**
+ * Resource registration.
+ *
+ * @category   Extensions
+ * @package    Pandora FMS
+ * @subpackage Community
+ * @version    1.0.0
+ * @license    See below
+ *
+ *    ______                 ___                    _______ _______ ________
+ *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
+ *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
+ * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
+ *
+ * ============================================================================
+ * Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
+ * Please see http://pandorafms.org for full contribution list
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation for version 2.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * ============================================================================
+ */
 
-// Pandora FMS - http://pandorafms.com
-// ==================================================
-// Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
-// Please see http://pandorafms.org for full contribution list
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation; version 2
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-// GNU General Public License for more details.
-// Remember the hard-coded values
-/*
-    -- id_modulo now uses tmodule
-    -- ---------------------------
-    -- 1 - Data server modules (agent related modules)
-    -- 2 - Network server modules
-    -- 4 - Plugin server
-    -- 5 - Predictive server
-    -- 6 - WMI server
-    -- 7 - WEB Server (enteprise)
-
-    In the xml is the tag "module_source"
-*/
+/**
+ * Remember the hard-coded values.
+ *  -- id_modulo now uses tmodule.
+ *  -- ---------------------------.
+ *  -- 1 - Data server modules (agent related modules)
+ *  -- 2 - Network server modules
+ *  -- 4 - Plugin server
+ *  -- 5 - Predictive server
+ *  -- 6 - WMI server
+ *  -- 7 - WEB Server (enteprise)
+ *  In the xml is the tag "module_source"
+ */
 
 require_once $config['homedir'].'/include/functions_agents.php';
 enterprise_include_once('include/functions_local_components.php');
@@ -1097,7 +1111,13 @@ function resource_registration_extension_main()
 
     $xml = simplexml_load_file($_FILES['resource_upload']['tmp_name'], null, LIBXML_NOCDATA);
 
-    process_upload_xml($xml);
+    if ($xml === false) {
+        ui_print_error_message(
+            __('Error uploading resource. Check if the selected file is a valid resource template in .ptr format')
+        );
+    } else {
+        process_upload_xml($xml);
+    }
 }
 
 
diff --git a/pandora_console/godmode/agentes/module_manager_editor_common.php b/pandora_console/godmode/agentes/module_manager_editor_common.php
index 9844a34fa3..5e994499f3 100644
--- a/pandora_console/godmode/agentes/module_manager_editor_common.php
+++ b/pandora_console/godmode/agentes/module_manager_editor_common.php
@@ -1,17 +1,32 @@
 <?php
+/**
+ * Common editor fields.
+ *
+ * @category   Module manager
+ * @package    Pandora FMS
+ * @subpackage Community
+ * @version    1.0.0
+ * @license    See below
+ *
+ *    ______                 ___                    _______ _______ ________
+ *   |   __ \.-----.--.--.--|  |.-----.----.-----. |    ___|   |   |     __|
+ *  |    __/|  _  |     |  _  ||  _  |   _|  _  | |    ___|       |__     |
+ * |___|   |___._|__|__|_____||_____|__| |___._| |___|   |__|_|__|_______|
+ *
+ * ============================================================================
+ * Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
+ * Please see http://pandorafms.org for full contribution list
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation for version 2.
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * ============================================================================
+ */
 
-
-// Pandora FMS - http://pandorafms.com
-// ==================================================
-// Copyright (c) 2005-2021 Artica Soluciones Tecnologicas
-// Please see http://pandorafms.org for full contribution list
-// This program is free software; you can redistribute it and/or
-// modify it under the terms of the GNU General Public License
-// as published by the Free Software Foundation for version 2.
-// This program is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-// GNU General Public License for more details.
+// Begin
 require_once $config['homedir'].'/include/functions_modules.php';
 require_once $config['homedir'].'/include/functions_categories.php';
 require_once $config['homedir'].'/include/graphs/functions_d3.php';
@@ -19,7 +34,9 @@ require_once $config['homedir'].'/include/graphs/functions_d3.php';
 include_javascript_d3();
 
 
-global $config;function prepend_table_simple($row, $id=false)
+global $config;
+
+function prepend_table_simple($row, $id=false)
 {
     global $table_simple;
 
@@ -115,7 +132,12 @@ function add_component_selection($id_network_component_type)
         '',
         '---'.__('Manual setup').'---',
         0,
-        true
+        true,
+        false,
+        true,
+        '',
+        false,
+        'width: 460px; '
     );
     $data[1] .= '</span>';
     $data[1] .= ' <span id="component_loading" class="invisible">';
diff --git a/pandora_console/include/functions_ui.php b/pandora_console/include/functions_ui.php
index f4d0dff15e..ecd985d5c3 100755
--- a/pandora_console/include/functions_ui.php
+++ b/pandora_console/include/functions_ui.php
@@ -27,6 +27,8 @@
  */
 
 // Begin.
+global $config;
+
 // Check to avoid error when load this library in error screen situations.
 if (isset($config['homedir'])) {
     include_once $config['homedir'].'/include/functions_agents.php';
@@ -35,8 +37,6 @@ if (isset($config['homedir'])) {
     include_once $config['homedir'].'/include/functions_groups.php';
     include_once $config['homedir'].'/include/functions_users.php';
     include_once $config['homedir'].'/include/functions_html.php';
-    // For standard breadcrumbs.
-    ui_require_css_file('discovery');
 }
 
 
@@ -4353,6 +4353,8 @@ function ui_print_standard_header(
     array $options=[],
     array $breadcrumbs=[]
 ) {
+    // For standard breadcrumbs.
+    ui_require_css_file('discovery');
     // Create the breadcrumb.
     $headerInformation = new HTML();
     $headerInformation->setBreadcrum([]);