Subscription and Billing

Hi there I got two codes in Canada from the Pringles Contest and I got the codes in my email in December 2020 but never entered them through xbox. and now that my ultimate is coming up on expiration i tried entering the two codes and am now getting the
error message when I never entered them at all myself. I have tried contacting pringles but havent heard from them yet any ideas? On what I can do to resolve this issue thanks in advance everyone.

:)