Fatal error: Uncaught Error: Interface "Liip\ImagineBundle\Config\StackInterface" not found in /home/appacfrykg/www-preprod/vendor/liip/imagine-bundle/Config/Stack.php:16 Stack trace: #0 {main} thrown in /home/appacfrykg/www-preprod/vendor/liip/imagine-bundle/Config/Stack.php on line 16