Fatal error: Uncaught Error: Interface "Symfony\Component\Form\FormConfigInterface" not found in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/form/FormConfigBuilderInterface.php:20 Stack trace: #0 {main} thrown in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/form/FormConfigBuilderInterface.php on line 20