Fatal error: Uncaught Error: Class "GPM\Operations\Operation" not found in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/src/Operations/Install.php:15 Stack trace: #0 {main} thrown in /disk/www/jkdev.zo/Git-Package-Management/core/components/gpm/src/Operations/Install.php on line 15