Fatal error: Uncaught Error: Class 'Sabre\DAV\Locks\Backend\PDOTest' not found in /home/malert/WebDAV/vendor/sabre/dav/tests/Sabre/DAV/Locks/Backend/PDOSqliteTest.php:5 Stack trace: #0 {main} thrown in /home/malert/WebDAV/vendor/sabre/dav/tests/Sabre/DAV/Locks/Backend/PDOSqliteTest.php on line 5