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