Showing message if no data available

main/inc/lib/tracking.lib.php

@@ -2193,8 +2193,9 @@ class Tracking {
                     }
                 }
             }       
-            $html = Display::div($html, array('class'=>'rounded_div', 'style'=>'position:relative; float:none; width:95%'));
-  
+            if (!empty($html)) {
+                $html = Display::div($html, array('class'=>'rounded_div', 'style'=>'position:relative; float:none; width:95%'));
+            }         
             return $html;
         }
 

main/session/index.php

@@ -351,7 +351,12 @@ $(function() {
 
 <?php 
 $my_reporting   = Tracking::show_user_progress(api_get_user_id(), $session_id, '&session_id='.$session_id.'#tabs-4', false);
-$my_reporting   .= '<br />'.Tracking::show_course_detail(api_get_user_id(), $_GET['course'], $_GET['session_id']);
+if (!empty($my_reporting))  {
+    $my_reporting  .= '<br />'.Tracking::show_course_detail(api_get_user_id(), $_GET['course'], $_GET['session_id']);
+}
+if (empty($my_reporting)) {
+    $my_reporting  = Display::return_message(get_lang('NoDataAvailable'), 'warning');
+}
 
 //Main headers
 $headers        = array(get_lang('Courses'), get_lang('LearningPaths'), get_lang('MyQCM'), get_lang('MyStatistics'));