[akmelock]

I have callback problem on xpayment.
The error message:
ERROR [2012-19-06 01:18:04]
User: unknown; IP: 173.0.81.1
Zone: Controller/Callback
Code: CALLBACK_UNKNOWN (701)
Callback request is not processed

Affected systems: Controller/Callback/Main.php file (84:assert); Core/Controller.php file (181:actionCall);
Core/Dispatcher.php file (148:process); Application.php file (156:dispatch);
/home/scyanele/public_html/xpayments/callback.php file (26:run)

Please help