Please refer the instructions below which are recommended by 2Checkout payment gateway support if "Authorization Failed: Do Not Honor" error occurs during a payment:
Reason for the message: The information passes the validation on 2Checkout end and an actual authorization request is sent to the bank, but the bank is declining the authorization. The most common cause for this error is that the seller is located outside of the country that the bank is located in so the bank is considering it as an international transaction.
How to resolve the issue: Contact the bank and let them know that you want the transaction to go through (The bank will be able to see your authorization attempts) and then replace the order. If you're still receiving the same problems then your purchase session is probably locked because of previous declines. You must wait for 30 minutes, use a different browser or clear your browser cookies and restart your browser so that a new purchase session is used when you're replacing the order.