Membership Card Scanner ‑Perkd

Was working perfect, but it hasn't been applying cards to customer profiles. Not sure what the issue is, but when we scan a card toa profile, it says "card number assigned" but that is incorrect and the card number does not save to the profile. Given out hundreds of cards now to customers but the number isn't associated to their account. I was told to reinstall it, same issue. Will update review after tech support fixes this, but it is now unusable and we have hundreds of cards in customer hands that arent assigned.