Fatal error: Uncaught Error: Interface "ILIAS\Object\Properties\ObjectTypeSpecificProperties\ilObjectTypeSpecificProperties" not found in /var/www/html/ilias/components/ILIAS/ILIASObject/classes/Properties/ObjectTypeSpecificProperties/AbstractObjectTypeSpecificProperties.php:23 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/ILIASObject/classes/Properties/ObjectTypeSpecificProperties/AbstractObjectTypeSpecificProperties.php on line 23