Fatal error: Uncaught Error: Interface "Symfony\Component\Form\FormExtensionInterface" not found in /home/smagamf/chloe_garden/vendor/symfony/form/Tests/Fixtures/TestExtension.php:19 Stack trace: #0 {main} thrown in /home/smagamf/chloe_garden/vendor/symfony/form/Tests/Fixtures/TestExtension.php on line 19