Fatal error: Uncaught Error: Class "OCP\Collaboration\Reference\ADiscoverableReferenceProvider" not found in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Collaboration/Reference/File/FileReferenceProvider.php:26 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/lib/private/Collaboration/Reference/File/FileReferenceProvider.php on line 26