Fatal error: Uncaught Error: Class "Doctrine\Common\EventArgs" not found in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\persistence\src\Persistence\Event\LoadClassMetadataEventArgs.php:17 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\doctrine\persistence\src\Persistence\Event\LoadClassMetadataEventArgs.php on line 17