heres the message ↓

• Your card could not be authorized using the postal code provided. Please update the postal code, or contact your card issuer for further details

i live in canada so it might be differen't but is there a fix to this issue?

(moved to the right category)

Did you try capital letters? There might be systems that are ... dumb and require the letters be written exactly, like they are saved at the place they are comparing them to. So A1 is not equal to a1