Are you trying to log in to the online renewals site with your ari.sef.pt password? If so, that won’t work. See @minimaxr’s excellent guide:
You can use the same email there as on the ARI portal, but it’s not necessary. But you’re creating a new account, not logging in with your ARI credentials.
See the full guide here:
EDIT: Seeing in the other thread that your expiration date is Jan 2024, you cannot use the online renewals system yet anyway. Either way, when/if they open up for cards expiring in Q1 2024 you’ll need to create a new SEF account, not use the ARI account.