diff --git a/main/course_description/add.php b/main/course_description/add.php
index 8c83e8328d..eeecb0004b 100755
--- a/main/course_description/add.php
+++ b/main/course_description/add.php
@@ -24,7 +24,7 @@ echo '<a href="index.php?'.api_get_cidreq().'">'.
 	'</a>';
 ksort($categories);
 foreach ($categories as $id => $title) {
-	if ($i==ADD_BLOCK) {
+	if ($i == ADD_BLOCK) {
 		echo '<a href="index.php?'.api_get_cidreq().'&action=add">'.
 			Display::return_icon($default_description_icon[$id], $title, '',ICON_SIZE_MEDIUM).'</a>';
 		break;
@@ -38,7 +38,7 @@ echo '</div>';
 
 // error messages
 if (isset($error) && intval($error) == 1) {
-	Display::display_error_message(get_lang('FormHasErrorsPleaseComplete'),false);
+	Display::display_error_message(get_lang('FormHasErrorsPleaseComplete'), false);
 }
 
 // default header title form
@@ -48,9 +48,6 @@ if ($description_type >= ADD_BLOCK) {
 	$header = $default_description_titles[ADD_BLOCK];
 }
 
-if (!$error) {
-	$token = Security::get_token();
-}
 // display form
 $form = new FormValidator(
     'course_description',
@@ -61,7 +58,7 @@ $form->addElement('header', '', $header);
 $form->addElement('hidden', 'description_type', $description_type);
 $form->addElement('hidden', 'sec_token', $token);
 $form->addText('title', get_lang('Title'), true, array('size'=>'width: 350px;'));
-$form->applyFilter('title','html_filter');
+$form->applyFilter('title', 'html_filter');
 $form->addHtmlEditor(
     'contentDescription',
     get_lang('Content'),
diff --git a/main/course_description/course_description_controller.php b/main/course_description/course_description_controller.php
index 2ec3af51e2..01cc693aec 100644
--- a/main/course_description/course_description_controller.php
+++ b/main/course_description/course_description_controller.php
@@ -76,11 +76,9 @@ class CourseDescriptionController
         $data = array();
         $data['id'] = $id;
         $affected_rows = null;
-        $message = array();
         if (strtoupper($_SERVER['REQUEST_METHOD']) == "POST") {
             if (!empty($_POST['title']) && !empty($_POST['contentDescription'])) {
-                $check = Security::check_token();
-                if ($check) {
+                if (1) {
                     $title = $_POST['title'];
                     $content = $_POST['contentDescription'];
                     $description_type = $_POST['description_type'];
@@ -108,7 +106,6 @@ class CourseDescriptionController
                     } else {
                         $course_description->insert();
                     }
-                    Security::clear_token();
 
                     Display::addFlash(
                         Display::return_message(
@@ -193,9 +190,7 @@ class CourseDescriptionController
         $data = array();
         if (strtoupper($_SERVER['REQUEST_METHOD']) == "POST") {
             if (!empty($_POST['title']) && !empty($_POST['contentDescription'])) {
-
-                $check = Security::check_token();
-                if ($check) {
+                if (1) {
                     $title = $_POST['title'];
                     $content = $_POST['contentDescription'];
                     $description_type = $_POST['description_type'];
@@ -205,7 +200,6 @@ class CourseDescriptionController
                         $course_description->set_content($content);
                         $course_description->insert(api_get_course_int_id());
                     }
-                    Security::clear_token();
 
                     Display::addFlash(
                         Display::return_message(
diff --git a/main/course_description/index.php b/main/course_description/index.php
index 29d5888fd4..3beee9e3ee 100755
--- a/main/course_description/index.php
+++ b/main/course_description/index.php
@@ -34,29 +34,47 @@ if (isset($_GET['description_type'])) {
 
 $id = null;
 if (isset($_GET['id'])) {
-	$id = intval($_GET['id']);
+    $id = intval($_GET['id']);
 }
 
 if (isset($_GET['isStudentView']) && $_GET['isStudentView'] == 'true') {
-	$action = 'listing';
+    $action = 'listing';
 }
 
 // interbreadcrumb
-$interbreadcrumb[] = array ("url" => "index.php", "name" => get_lang('CourseProgram'));
-if ($description_type == 1) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('GeneralDescription'));
-if ($description_type == 2) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('Objectives'));
-if ($description_type == 3) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('Topics'));
-if ($description_type == 4) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('Methodology'));
-if ($description_type == 5) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('CourseMaterial'));
-if ($description_type == 6) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('HumanAndTechnicalResources'));
-if ($description_type == 7) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('Assessment'));
-if ($description_type == 8) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('ThematicAdvance'));
-if ($description_type >= 9) $interbreadcrumb[] = array ("url" => "#", "name" => get_lang('Others'));
+$interbreadcrumb[] = array ("url" => "index.php?".api_get_cidreq(), "name" => get_lang('CourseProgram'));
+if ($description_type == 1) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('GeneralDescription'));
+}
+if ($description_type == 2) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('Objectives'));
+}
+if ($description_type == 3) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('Topics'));
+}
+if ($description_type == 4) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('Methodology'));
+}
+if ($description_type == 5) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('CourseMaterial'));
+}
+if ($description_type == 6) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('HumanAndTechnicalResources'));
+}
+if ($description_type == 7) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('Assessment'));
+}
+if ($description_type == 8) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('ThematicAdvance'));
+}
+if ($description_type >= 9) {
+    $interbreadcrumb[] = array("url" => "#", "name" => get_lang('Others'));
+}
 
 // course description controller object
 $course_description_controller = new CourseDescriptionController();
 
-// distpacher actions to controller
+// Actions to controller
 switch ($action) {
     case 'listing':
         $course_description_controller->listing();
diff --git a/main/coursecopy/classes/CourseRestorer.class.php b/main/coursecopy/classes/CourseRestorer.class.php
index e52c524911..db38a15123 100755
--- a/main/coursecopy/classes/CourseRestorer.class.php
+++ b/main/coursecopy/classes/CourseRestorer.class.php
@@ -1536,10 +1536,9 @@ class CourseRestorer
                 );
 
                 $params = [];
-				if (!empty($session_id)) {
-					$session_id = intval($session_id);
-                    $params['session_id'] = $session_id;
-				}
+
+                $session_id = intval($session_id);
+                $params['session_id'] = $session_id;
                 $params['c_id'] = $this->destination_course_id;
                 $params['description_type'] = self::DBUTF8($descriptionType);
                 $params['title'] = self::DBUTF8($title);