Fatal error: Uncaught Error: Class 'Symfony\Component\Form\Extension\Core\Type\CheckboxType' not found in /var/www/html/var/cache/dev/ContainerDgrv2vf/getForm_Type_CheckboxService.php:10 Stack trace: #0 {main} thrown in /var/www/html/var/cache/dev/ContainerDgrv2vf/getForm_Type_CheckboxService.php on line 10