Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Loader\LoaderResolverInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\config\Loader\LoaderResolver.php:22 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\config\Loader\LoaderResolver.php on line 22