Why is my Affirm payment method failing?

Hi friendly,

I have config and test payment in Affirm but get message error is

Your payment can’t be processed for technical reasons. Try again or use a different payment method.

I have check log, check config but i can not know what happen,
Every friendly can check and help me it, what is wrong.
(have some picture config and step checkout affirm)
link reference

Did you ever find a resolution to this? I am having the same issue