Fatal error: Uncaught Error: Class "Symfony\Component\Runtime\GenericRuntime" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/runtime/SymfonyRuntime.php:67 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/runtime/SymfonyRuntime.php on line 67