Fatal error: Uncaught Error: Interface "Symfony\Component\Form\FormConfigInterface" not found in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/form/FormConfigBuilderInterface.php:22 Stack trace: #0 {main} thrown in /var/www/html/demo.ininli.ca/releases/16/vendor/symfony/form/FormConfigBuilderInterface.php on line 22