02-25-2013 05:45 PM - edited 02-25-2013 05:47 PM
Is this a production/live account? It so, contact support, as it might be an account settings issue.
Look like it is
Response Code,Response Reason Code,Response Reason Text,Notes
This transaction has been declined.
This error code applies only to merchants on FDC Omaha. The value submitted in the merchant number field is invalid.