Fatal error: Uncaught Error: Class "Symfony\Component\Form\AbstractType" not found in /home/appacfrykg/www-preprod/vendor/liip/imagine-bundle/Form/Type/ImageType.php:25 Stack trace: #0 {main} thrown in /home/appacfrykg/www-preprod/vendor/liip/imagine-bundle/Form/Type/ImageType.php on line 25