diff --git a/plugin/PlayLists/embed.php b/plugin/PlayLists/embed.php
index 81bfee8656f5..75d09b657ad5 100644
--- a/plugin/PlayLists/embed.php
+++ b/plugin/PlayLists/embed.php
@@ -32,22 +32,28 @@
 $users_id = User::getId();
 
 setPlayListIndex(0);
-
+echo '<!-- line='.__LINE__.' -->';
 foreach ($playList as $key => $value) {
     $oldValue = $value;
 
+echo '<!-- line='.__LINE__.' -->';
     if (!User::isAdmin() && !Video::userGroupAndVideoGroupMatch($users_id, $value['videos_id'])) {
         unset($playList[$key]);
         continue;
     }
+echo '<!-- line='.__LINE__.' -->';
 
     if ($key == $playlist_index) {
         setPlayListIndex(count($playListData));
     }
+echo '<!-- line='.__LINE__.' -->';
 
     if ($oldValue['type'] === 'serie' && !empty($oldValue['serie_playlists_id'])) {
+echo '<!-- line='.__LINE__.' -->';
         $subPlayList = PlayList::getVideosFromPlaylist($value['serie_playlists_id']);
+echo '<!-- line='.__LINE__.' -->';
         foreach ($subPlayList as $value) {
+echo '<!-- line='.__LINE__.' -->';
             $sources = getVideosURL($value['filename']);
             $images = Video::getImageFromFilename($value['filename'], $value['type']);
             $externalOptions = _json_decode($value['externalOptions']);
@@ -78,6 +84,7 @@
             $playListData[] = new PlayListElement(@$value['title'], @$value['description'], @$value['duration'], $playListSources, $thumbnail, $images->poster, $videoStartSeconds, $value['cre'], @$value['likes'], @$value['views_count'], @$value['videos_id'], "embedPlayList subPlaylistCollection-{$oldValue['serie_playlists_id']}");
             //$playListData_videos_id[] = $value['id'];
         }
+echo '<!-- line='.__LINE__.' -->';
     } else {
         $sources = getVideosURL($value['filename']);
         $images = Video::getImageFromFilename($value['filename'], $value['type']);