Fatal error: Uncaught Error: Interface "ilCtrlBaseClassInterface" not found in /var/www/html/ilias/components/ILIAS/PersonalWorkspace/classes/class.ilSharedResourceGUI.php:29 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/PersonalWorkspace/classes/class.ilSharedResourceGUI.php on line 29