Fatal error: Uncaught Error: Interface "ilDatabaseUpdateSteps" not found in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/Setup/ilECSUpdateSteps9.php:25 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/Setup/ilECSUpdateSteps9.php on line 25