Fatal error: Uncaught Error: Interface "OCP\Search\IFilteringProvider" not found in /home/tzuovhm/tzuovhm/apps/dav/lib/Search/ContactsSearchProvider.php:25 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps/dav/lib/Search/ContactsSearchProvider.php on line 25