7b7c4f6f_various_Reason_Codes_indicate___Description
[Reason Code] 246 [Reply Flag (SCMP)] DNOTVOIDABLE [Possible Action] No action required. [Description] 
Decline - The capture or credit is not voidable because the capture or credit information has already been submitted to your processor. Or, you requested a void for a type of transaction that cannot be voided.
CyberSource Support Center - What do the various Reason Codes indicate?
Description