Fatal error: Uncaught Error: Class "Symfony\Component\Console\Helper\Helper" not found in /var/www/html/vendor/doctrine/migrations/lib/Doctrine/Migrations/Tools/Console/Helper/ConfigurationHelper.php:26 Stack trace: #0 {main} thrown in /var/www/html/vendor/doctrine/migrations/lib/Doctrine/Migrations/Tools/Console/Helper/ConfigurationHelper.php on line 26