Fatal error: Uncaught Error: Class 'Sabre\VObject\Component' not found in /home/malert/WebDAV/vendor/sabre/vobject/lib/Component/VJournal.php:17 Stack trace: #0 {main} thrown in /home/malert/WebDAV/vendor/sabre/vobject/lib/Component/VJournal.php on line 17