Fatal error: Uncaught Error: Class "Sabre\DAV\Xml\Property\Href" not found in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\dav\lib\DAVACL\Xml\Property\Principal.php:23 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\dav\lib\DAVACL\Xml\Property\Principal.php on line 23