Bank authentication – OTP (Not Getting OTP) – error « We are not able to process… »

Description

I
I’m getting this error no matter what I do this happens when try to pay with my debit card.

Bank authentication – Enter a secure code or OTP (Not Getting OTP) – error « We are not able to process your request. Please try again later. »
Now I have done this same kind of payment before and it worked for other businesses but this time it’s not.
I tried 2 different accounts that this business sent me but both did gave me same error.
The Business says there accounts are okay so I don’t know what’s going on. My bank Card is active I mean no errors there it’s verified and all

Can Anyone Please help me resolve this issue?