Fatal error: Uncaught Error: Interface "Symfony\Component\DependencyInjection\Kernel\BundleInterface" not found in C:\wamp64\houda\vendor\symfony\http-kernel\Bundle\BundleInterface.php:19 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\symfony\http-kernel\Bundle\BundleInterface.php on line 19