Fatal error: Uncaught Error: Class 'Symfony\Component\Console\Helper\Helper' not found in /home/synap/fr/synap/clients/www/melody/outils/tests/vendor/symfony/console/Symfony/Component/Console/Helper/FormatterHelper.php:21 Stack trace: #0 {main} thrown in /home/synap/fr/synap/clients/www/melody/outils/tests/vendor/symfony/console/Symfony/Component/Console/Helper/FormatterHelper.php on line 21