Fatal error: Uncaught Error: Interface "OCP\Search\IFilter" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Search/Filter/GroupFilter.php:17 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Search/Filter/GroupFilter.php on line 17