Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Descriptor\DescriptorInterface" not found in I:\www\frameworks\Symfony\doctrine\vendor\symfony\framework-bundle\Console\Descriptor\Descriptor.php:31 Stack trace: #0 {main} thrown in I:\www\frameworks\Symfony\doctrine\vendor\symfony\framework-bundle\Console\Descriptor\Descriptor.php on line 31