Fatal error: Uncaught Error: Interface "Symfony\Component\Console\Output\OutputInterface" not found in /users/quirl/www/filemanager/spark/protected/vendor/symfony/console/Output/ConsoleOutputInterface.php:20 Stack trace: #0 {main} thrown in /users/quirl/www/filemanager/spark/protected/vendor/symfony/console/Output/ConsoleOutputInterface.php on line 20