Fatal error: Uncaught Error: Interface "ILIAS\FileUpload\Handler\HandlerResult" not found in /var/www/html/ilias/components/ILIAS/FileUpload/src/Handler/BasicHandlerResult.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/FileUpload/src/Handler/BasicHandlerResult.php on line 25