Fatal error: Uncaught Error: Interface "Sabre\Xml\Element" not found in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\xml\lib\Element\Elements.php:38 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\sabre\xml\lib\Element\Elements.php on line 38