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