diff --git a/pandora_console/ajax.php b/pandora_console/ajax.php
index 9c68547b60..9b59695555 100644
--- a/pandora_console/ajax.php
+++ b/pandora_console/ajax.php
@@ -148,7 +148,9 @@ if (__PAN_XHPROF__ === 1) {
 }
 
 
-if ($config['force_instant_logout'] === true) {
+if (isset($config['force_instant_logout']) === true
+    && $config['force_instant_logout'] === true
+) {
     // Force user logout.
     if (session_status() !== PHP_SESSION_ACTIVE) {
         session_start();
diff --git a/pandora_console/include/ajax/snmp_browser.ajax.php b/pandora_console/include/ajax/snmp_browser.ajax.php
index 8b0928589c..8c10fdb16c 100644
--- a/pandora_console/include/ajax/snmp_browser.ajax.php
+++ b/pandora_console/include/ajax/snmp_browser.ajax.php
@@ -107,7 +107,7 @@ try {
                 );
 
                 // Div for error/succes dialog.
-                $output .= '<div id="snmp_result_msg" style="display:none"></div>';
+                $output = '<div id="snmp_result_msg" style="display:none"></div>';
 
                 // Dialog error.
                 $output .= '<div id="dialog_error" style="display:none" title="'.__('SNMP modules').'">';
@@ -183,6 +183,7 @@ try {
         if ($method == 'snmp_browser_create_modules') {
             // Get target ids from form.
             $id_items = get_parameter('id_item2', null);
+            $id_target = null;
             if (empty($id_items) === false) {
                 $id_target = explode(',', $id_items[0]);
             }
@@ -263,7 +264,5 @@ try {
         }
     }
 } catch (\Exception $e) {
-    $e->getMessage();
-} finally {
-    exit;
+    hd($e);
 }
diff --git a/pandora_console/include/functions_html.php b/pandora_console/include/functions_html.php
index b013c8bc49..d00628000c 100644
--- a/pandora_console/include/functions_html.php
+++ b/pandora_console/include/functions_html.php
@@ -536,6 +536,8 @@ function html_print_select_groups(
         $include_groups[$nothing_value] = $nothing;
     }
 
+    $json_exclusions = '';
+    $json_inclusions = '';
     if (is_array($delete_groups) === true) {
         $json_exclusions = json_encode($delete_groups);
     }
diff --git a/pandora_console/include/functions_modules.php b/pandora_console/include/functions_modules.php
index fb333b4dd8..28b3e36a4c 100755
--- a/pandora_console/include/functions_modules.php
+++ b/pandora_console/include/functions_modules.php
@@ -675,6 +675,8 @@ function modules_create_agent_module(
     $time = 0;
     if (empty($values['interval']) === false) {
         $time = (time() - (int) $values['interval']);
+    } else {
+        $values['interval'] = null;
     }
 
     $result = db_process_sql_insert(
diff --git a/pandora_console/include/functions_snmp_browser.php b/pandora_console/include/functions_snmp_browser.php
index 962bd9be4c..e130dc788b 100644
--- a/pandora_console/include/functions_snmp_browser.php
+++ b/pandora_console/include/functions_snmp_browser.php
@@ -1094,17 +1094,55 @@ function snmp_browser_print_container(
  */
 function snmp_browser_create_modules_snmp(string $module_target, array $snmp_values, ?array $id_target)
 {
+    $target_ip = null;
+    $community = null;
+    $target_oid = null;
+    $snmp_version = null;
+    $snmp3_auth_user = null;
+    $snmp3_security_level = null;
+    $snmp3_auth_method = null;
+    $snmp3_auth_pass = null;
+    $snmp3_privacy_method = null;
+    $snmp3_privacy_pass = null;
+
     if (is_array($snmp_values)) {
-        $snmp_version = $snmp_values['snmp_browser_version'];
-        $community = $snmp_values['community'];
-        $target_ip = $snmp_values['target_ip'];
-        $snmp3_auth_user = $snmp_values['snmp3_browser_auth_user'];
-        $snmp3_security_level = $snmp_values['snmp3_browser_security_level'];
-        $snmp3_auth_method = $snmp_values['snmp3_browser_auth_method'];
-        $snmp3_auth_pass = $snmp_values['snmp3_browser_auth_pass'];
-        $snmp3_privacy_method = $snmp_values['snmp3_privacy_method'];
-        $snmp3_privacy_pass = $snmp_values['snmp3_browser_privacy_pass'];
-        $targets_oids = $snmp_values['oids'];
+        if (isset($snmp_values['snmp_browser_version']) === true) {
+            $snmp_version = $snmp_values['snmp_browser_version'];
+        }
+
+        if (isset($snmp_values['community']) === true) {
+            $community = $snmp_values['community'];
+        }
+
+        if (isset($snmp_values['target_ip']) === true) {
+            $target_ip = $snmp_values['target_ip'];
+        }
+
+        if (isset($snmp_values['snmp3_browser_auth_user']) === true) {
+            $snmp3_auth_user = $snmp_values['snmp3_browser_auth_user'];
+        }
+
+        if (isset($snmp_values['snmp3_browser_security_level']) === true) {
+            $snmp3_security_level = $snmp_values['snmp3_browser_security_level'];
+        };
+        if (isset($snmp_values['snmp3_browser_auth_method']) === true) {
+            $snmp3_auth_method = $snmp_values['snmp3_browser_auth_method'];
+        }
+
+        if (isset($snmp_values['snmp3_browser_auth_pass']) === true) {
+            $snmp3_auth_pass = $snmp_values['snmp3_browser_auth_pass'];
+        }
+
+        if (isset($snmp_values['snmp3_privacy_method']) === true) {
+            $snmp3_privacy_method = $snmp_values['snmp3_privacy_method'];
+        };
+        if (isset($snmp_values['snmp3_browser_privacy_pass']) === true) {
+            $snmp3_privacy_pass = $snmp_values['snmp3_browser_privacy_pass'];
+        }
+
+        if (isset($snmp_values['oids']) === true) {
+            $targets_oids = $snmp_values['oids'];
+        }
     }
 
      $fail_modules = [];
@@ -1326,7 +1364,7 @@ function snmp_browser_create_modules_snmp(string $module_target, array $snmp_val
             }
         }
 
-        if (is_array($ids)) {
+        if (isset($ids) === true && is_array($ids) === true) {
             foreach ($ids as $id) {
                 // Id < 0 for error codes.
                 if (!$id || $id < 0) {
@@ -1354,6 +1392,8 @@ function snmp_browser_create_modules_snmp(string $module_target, array $snmp_val
  */
 function snmp_browser_print_create_module_massive($target='agent', $snmp_conf, $return=false)
 {
+    global $config;
+
     // String for labels.
     switch ($target) {
         case 'agent':
@@ -1365,7 +1405,7 @@ function snmp_browser_print_create_module_massive($target='agent', $snmp_conf, $
         break;
     }
 
-    $output .= "<form target='_blank' id='create_module_massive' action='#' method='post'>";
+    $output = "<form target='_blank' id='create_module_massive' action='#' method='post'>";
 
     $strict_user = db_get_value(
         'strict_acl',
diff --git a/pandora_console/operation/snmpconsole/snmp_browser.php b/pandora_console/operation/snmpconsole/snmp_browser.php
index 706117c4fe..7d7abd5fb6 100644
--- a/pandora_console/operation/snmpconsole/snmp_browser.php
+++ b/pandora_console/operation/snmpconsole/snmp_browser.php
@@ -139,7 +139,6 @@ function snmp_browser_show_add_module_massive(module_target = 'agent') {
     var snmp_extradata = snmp_browser_create_modules(module_target);
     // Load dinamically modal form.
     load_modal({
-        target: $('#modal'),
         form: 'snmp_browser_add_module_form',
         extradata: [
             {