Fatal error: Uncaught Error: Class "Symfony\Component\Validator\Mapping\MemberMetadata" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\validator\Mapping\GetterMetadata.php:33 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\validator\Mapping\GetterMetadata.php on line 33