Fatal error: Uncaught Error: Interface "ILIAS\Export\ImportStatus\I\ilHandlerInterface" not found in /var/www/html/ilias/components/ILIAS/Export/classes/ImportStatus/class.ilHandler.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Export/classes/ImportStatus/class.ilHandler.php on line 26