Fatal error: Uncaught Error: Class "Symfony\Component\Console\Output\StreamOutput" not found in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/vendor/symfony/console/Output/ConsoleOutput.php:30 Stack trace: #0 {main} thrown in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/vendor/symfony/console/Output/ConsoleOutput.php on line 30