Fatal error: Uncaught Error: Interface "Symfony\Component\Translation\Loader\LoaderInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\translation\Loader\XliffFileLoader.php:29 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\translation\Loader\XliffFileLoader.php on line 29