Fatal error: Uncaught Error: Interface "Skyboard\Application\NonBoard\NonBoardHandler" not found in /home/supratz/www/skyboard-refac-backup/backend/src/Application/NonBoard/Handlers/NotificationDeleteForUserHandler.php:12 Stack trace: #0 {main} thrown in /home/supratz/www/skyboard-refac-backup/backend/src/Application/NonBoard/Handlers/NotificationDeleteForUserHandler.php on line 12