Fatal error: Uncaught Error: Class "ilADTBasedObjectGUI" not found in /var/www/html/ilias/components/ILIAS/ADT/classes/_Example/class.ilADTTestGUI.php:9 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ADT/classes/_Example/class.ilADTTestGUI.php on line 9