If this is the real problem then I can't understand why also users from Europe are not able to use the card anymore, UQUID did block all card transaction no matter what country you're from. Did pay 30 EURO for two cards but could never use it, can I get a refund if the cards can't be used anymore in the short term.
I don't think it's Uquid that blocks it, I think it's Wavecrest who wants to renegotiate their deal with the front-ends to their cards
If the cards are not useable, I would expect Uquid to provide a free replacement once they have a new card issuer