Fatal error: Uncaught Error: Interface "ilBiblTableQueryFilterInterface" not found in /var/www/html/ilias/components/ILIAS/Bibliographic/classes/TableQuery/class.ilBiblTableQueryFilter.php:24 Stack trace: #0 {main} thrown in /var/www/html/ilias/components/ILIAS/Bibliographic/classes/TableQuery/class.ilBiblTableQueryFilter.php on line 24