Fatal error: Uncaught Error: Interface "App\Extension\k3crmExt\backend\Commands\CommandInterface" not found in /var/www/html/extensions/k3crmExt/backend/Commands/DataManipulationCommand.php:8 Stack trace: #0 {main} thrown in /var/www/html/extensions/k3crmExt/backend/Commands/DataManipulationCommand.php on line 8