Has anyone solved the error code:- 81511? (QB said it is to do with the bank but the bank doesn't seem to have an issue)

Hi Linsy, error code -81511 is a decline error message that is happening between the bank and our processor based on the information entered into the system. Please validate your billing information and check that it is correct. If correct, please either contact your bank to allow the charge, or use a different card.