Fatal error: Uncaught Error: Class "ilTable2GUI" not found in /var/www/html/ilias/components/ILIAS/Exercise/classes/class.ilExcDeliveredFilesTableGUI.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Exercise/classes/class.ilExcDeliveredFilesTableGUI.php on line 26