Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Output\OutputInterface" not found in /users/ms-it/www/oc/lib/composer/symfony/console/Output/ConsoleOutputInterface.php:22 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/console/Output/ConsoleOutputInterface.php on line 22