Fatal error: Uncaught Error: Class "ILIAS\FileUpload\Handler\AbstractCtrlAwareUploadHandler" not found in /var/www/html/ilias/components/ILIAS/ILIASObject/classes/Properties/AdditionalProperties/Icon/class.ilObjectCustomIconUploadHandlerGUI.php:33 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ILIASObject/classes/Properties/AdditionalProperties/Icon/class.ilObjectCustomIconUploadHandlerGUI.php on line 33