Fatal error: Uncaught Error: Class "ilTable2GUI" not found in /var/www/html/ilias/components/ILIAS/Survey/Constraints/class.SurveyConstraintsTableGUI.php:23 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Survey/Constraints/class.SurveyConstraintsTableGUI.php on line 23