Fatal error: Uncaught Error: Class "ilECSConnector" not found in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/Tree/class.ilECSDirectoryTreeConnector.php:26 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/WebServices/ECS/classes/Tree/class.ilECSDirectoryTreeConnector.php on line 26