Fatal error: Uncaught Error: Class "Sabre\VObject\Component" not found in /home/tzuovhm/tzuovhm/3rdparty_/sabre/vobject/lib/Document.php:19 Stack trace: #0 {main} thrown in /home/tzuovhm/tzuovhm/3rdparty_/sabre/vobject/lib/Document.php on line 19