Fatal error: Uncaught Error: Class "Symfony\Component\Form\Console\Descriptor\Descriptor" not found in /home2/zpcu9479/app.gennia.fr/vendor/symfony/form/Console/Descriptor/JsonDescriptor.php:22 Stack trace: #0 {main} thrown in /home2/zpcu9479/app.gennia.fr/vendor/symfony/form/Console/Descriptor/JsonDescriptor.php on line 22