Fatal error: Uncaught Error: Class "Symfony\Component\DependencyInjection\Extension\Extension" not found in I:\www\picman\vendor\doctrine\doctrine-migrations-bundle\src\DependencyInjection\DoctrineMigrationsExtension.php:33 Stack trace: #0 {main} thrown in I:\www\picman\vendor\doctrine\doctrine-migrations-bundle\src\DependencyInjection\DoctrineMigrationsExtension.php on line 33