Fatal error: Uncaught Error: Interface "Symfony\Component\Process\Pipes\PipesInterface" not found in /users/ms-it/www/oc/lib/composer/symfony/process/Pipes/AbstractPipes.php:21 Stack trace: #0 {main} thrown in /users/ms-it/www/oc/lib/composer/symfony/process/Pipes/AbstractPipes.php on line 21