Fatal error: Uncaught Error: Class "OCA\RelatedResources\Db\CoreQueryBuilder" not found in /home/tzuovhm/tzuovhm/nextcloud/apps/related_resources/lib/Db/TalkRoomRequestBuilder.php:20 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/apps/related_resources/lib/Db/TalkRoomRequestBuilder.php on line 20