Fatal error: Uncaught Error: Class "ilTable2GUI" not found in /var/www/html/ilias/components/ILIAS/Membership/classes/class.ilParticipantTableGUI.php:28 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Membership/classes/class.ilParticipantTableGUI.php on line 28