Cannot pay for bid snipes - Error Message

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I cannot pay for the discounted offer of 6 months of unlimited bid snipes. I have tried several accounts all in credit. Every time the Message attached below comes up.
https://paste.pics/IE7CQ
zeb****bad
Hello Sandra,
Thank you for asking about the charge decline. The error message they returned on each of the 4 attempts was, "Payment declined by the issuing bank. Tell the customer to try a different payment method, or they can contact their issuing bank for more information."
I realize that's not very helpful, but it is the only information we have, because our vendor handles all of our payments.
It only shows one card used for all 4 attempts, however, i.e., not different ones as you said.
Please let us know if you have any other questions, or require other assistance. We are happy to help.
bidslammer