Fatal error: Uncaught Error: Class "Symfony\Component\Intl\Exception\NotImplementedException" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\intl\Exception\MethodArgumentNotImplementedException.php:19 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\intl\Exception\MethodArgumentNotImplementedException.php on line 19