Fatal error: Uncaught Error: Interface "Symfony\Component\Security\Core\User\UserProviderInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\doctrine-bridge\Security\User\EntityUserProvider.php:33 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\doctrine-bridge\Security\User\EntityUserProvider.php on line 33