Fatal error: Uncaught Error: Class "Sabre\DAV\ServerPlugin" not found in /home/tzuovhm/tzuovhm/nextcloud/apps/text/lib/DAV/WorkspacePlugin.php:29 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/nextcloud/apps/text/lib/DAV/WorkspacePlugin.php on line 29