Fatal error: Uncaught Error: Class "Symfony\Component\HttpKernel\DependencyInjection\Extension" not found in /home2/zpcu9479/app.gennia.fr/vendor/sensio/framework-extra-bundle/src/DependencyInjection/SensioFrameworkExtraExtension.php:28 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/sensio/framework-extra-bundle/src/DependencyInjection/SensioFrameworkExtraExtension.php on line 28