Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home/projetwewv/www/licence00/symfony/vendor/sensio/framework-extra-bundle/src/DependencyInjection/Configuration.php:24 Stack trace: #0 {main} thrown in /home/projetwewv/www/licence00/symfony/vendor/sensio/framework-extra-bundle/src/DependencyInjection/Configuration.php on line 24