Fatal error: Uncaught Error: Interface "Symfony\Component\Config\Definition\ConfigurationInterface" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/framework-bundle/DependencyInjection/Configuration.php:50 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/framework-bundle/DependencyInjection/Configuration.php on line 50