Fatal error: Uncaught Error: Class "Sabre\VObject\Property" not found in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\vobject\lib\Property\IntegerValue.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\vobject\lib\Property\IntegerValue.php on line 17