The message immediately following "Reason for Failure: " is typically a message directly from the gateway or even the credit card issuer. The messaging of the error will likely describe parts of the problem with the payment method.
Some examples are:
- Insufficient Funds
- General Decline
- AVS Error, Address does not match.
There will be customer service steps to take around this outside of Fusebill. Have your customer double check their payment method information including the name on the card, security information, and the address of the payment method itself.
They may also need to check with their card issuer to see if there is something that could be potentially blocking them from purchasing things online or getting recurring bills.