Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Constraints\DateValidator" not found in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\validator\Constraints\DateTimeValidator.php:22 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\validator\Constraints\DateTimeValidator.php on line 22