diff --git a/main/auth/inscription.php b/main/auth/inscription.php
index 9018e8c710..54b6e1c5fa 100755
--- a/main/auth/inscription.php
+++ b/main/auth/inscription.php
@@ -412,17 +412,20 @@ if ($form->validate()) {
             }
         }
 
+        $status = isset($values['status']) ? $values['status'] : null;
+        $phone = isset($values['phone']) ? $values['phone'] : null;
+
         // Creates a new user
         $user_id = UserManager::create_user(
             $values['firstname'],
             $values['lastname'],
-            $values['status'],
+            $status,
             $values['email'],
             $values['username'],
             $values['pass1'],
             $values['official_code'],
             $values['language'],
-            $values['phone'],
+            $phone,
             null,
             PLATFORM_AUTH_SOURCE,
             null,
@@ -593,7 +596,7 @@ if ($form->validate()) {
     $_user['mail'] = $values['email'];
     $_user['language'] = $values['language'];
     $_user['user_id'] = $user_id;
-    $is_allowedCreateCourse = $values['status'] == 1;
+    $is_allowedCreateCourse = isset($values['status']) && $values['status'] == 1;
     $usersCanCreateCourse = (api_get_setting('allow_users_to_create_courses') == 'true');
 
     Session::write('_user', $_user);
diff --git a/main/calendar/agenda_js.php b/main/calendar/agenda_js.php
index 7e2a963757..f7be93357f 100755
--- a/main/calendar/agenda_js.php
+++ b/main/calendar/agenda_js.php
@@ -3,9 +3,7 @@
 /**
  * @package chamilo.calendar
  */
-/**
- * INIT SECTION
- */
+
 use \ChamiloSession as Session;
 
 // name of the language file that needs to be included
@@ -21,7 +19,6 @@ $userId = isset($_REQUEST['user_id']) ? $_REQUEST['user_id'] : null;
 if ($type == 'personal') {
     $cidReset = true; // fixes #5162
 }
-
 require_once '../inc/global.inc.php';
 require_once 'agenda.lib.php';
 require_once 'agenda.inc.php';
diff --git a/main/document/showinframes.php b/main/document/showinframes.php
index c10067317c..065eecfd43 100755
--- a/main/document/showinframes.php
+++ b/main/document/showinframes.php
@@ -115,7 +115,7 @@ if (in_array(strtolower($pathinfo['extension']), $jplayer_supported_files)) {
 
 $group_id = api_get_group_id();
 $current_group = GroupManager::get_group_properties($group_id);
-$current_group_name=$current_group['name'];
+$current_group_name = $current_group['name'];
 
 if (isset($group_id) && $group_id != '') {
     $req_gid = '&gidReq='.$group_id;