Fatal error: Uncaught Error: Class "Symfony\Component\Form\FormConfigBuilder" not found in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/form/FormBuilder.php:26 Stack trace: #0 {main} thrown in /var/www/html/immobilier-des-particuliers.fr/vendor/symfony/form/FormBuilder.php on line 26