Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\Attribute\ValueResolver" not found in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\http-kernel\Attribute\MapDateTime.php:20 Stack trace: #0 {main} thrown in D:\xampp\htdocs\pimcore\my-project\vendor\symfony\http-kernel\Attribute\MapDateTime.php on line 20