Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\Helper" not found in /home/marcgron/www/SSA/v2/vendor/symfony/console/Helper/QuestionHelper.php:35 Stack trace: #0 {main} thrown in /home/marcgron/www/SSA/v2/vendor/symfony/console/Helper/QuestionHelper.php on line 35