Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\ParameterBag\ParameterBagInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\dependency-injection\ParameterBag\ParameterBag.php:23 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\dependency-injection\ParameterBag\ParameterBag.php on line 23