Fatal error: Uncaught Error: Interface "Sabre\DAV\IFile" not found in /home/tzuovhm/tzuovhm/apps/files_versions/lib/Sabre/VersionFile.php:23 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/apps/files_versions/lib/Sabre/VersionFile.php on line 23