Howdy folks,

I have a customer from Bermuda that is getting the following error when trying to purchase:
ERROR: The transaction has been declined because of an AVS mismatch. The address provided does not match billing address of cardholder.

The strange thing is that she is already a customer for other products, and we have plenty of customers from Bermuda. We have checked and rechecked her address. Any suggestions here on how to fix this?