Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Helper\QuestionHelper' not found in /home/cgenial/sandbox.cgenial.org/vendor/sensio/generator-bundle/Command/Helper/QuestionHelper.php:22 Stack trace: #0 {main} thrown in /home/cgenial/sandbox.cgenial.org/vendor/sensio/generator-bundle/Command/Helper/QuestionHelper.php on line 22