Fatal error: Uncaught Error: Interface "Doctrine\Common\Collections\Collection" not found in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\collections\src\AbstractLazyCollection.php:21 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\collections\src\AbstractLazyCollection.php on line 21