Fatal error: Uncaught Error: Class "Sabre\VObject\Component" not found in /server/www/10.1.1.5/htdocs/vendor/sabre/vobject/lib/Document.php:19 Stack trace: #0 {main} thrown in /server/www/10.1.1.5/htdocs/vendor/sabre/vobject/lib/Document.php on line 19