Fatal error: Uncaught Error: Class "ilFormPropertyGUI" not found in /var/www/html/ilias/components/ILIAS/Form/classes/class.ilRepositorySelectorInputGUI.php:30 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Form/classes/class.ilRepositorySelectorInputGUI.php on line 30