fixing: check bill

src/transaction/ppob_callback.controller.ts

@@ -59,7 +59,12 @@ export class PpobCallbackController {
           null,
           null,
           false,
-        );
+        )
+
+        return {
+          statusCode: HttpStatus.OK,
+          message: 'success',
+        };;
       }
 
       const splitMessage = response['message'].split('","');