Fatal error: Uncaught Error: Class "Doctrine\ORM\Id\AbstractIdGenerator" not found in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\orm\src\Id\AssignedGenerator.php:13 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\orm\src\Id\AssignedGenerator.php on line 13