Fatal error: Uncaught Error: Class "Symfony\Component\Console\Question\Question" not found in /users/ms-it/www/oc/lib/composer/symfony/console/Question/ConfirmationQuestion.php:19 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/console/Question/ConfirmationQuestion.php on line 19