Fatal error: Uncaught Error: Interface "Sabre\Xml\XmlDeserializable" not found in /var/www/html/nextcloud/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php:21 Stack trace: #0 {main} thrown in /var/www/html/nextcloud/apps/dav/lib/CalDAV/Search/Xml/Request/CalendarSearchReport.php on line 21