Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Helper\Helper' not found in /home/clienti2020/public_html/novaballet.it/vendor/symfony/console/Helper/QuestionHelper.php:34 Stack trace: #0 {main} thrown in /home/clienti2020/public_html/novaballet.it/vendor/symfony/console/Helper/QuestionHelper.php on line 34