Payment failed for unknown reason, Used another card, same issue?

Payment failed on valid card with expiry date 2022 while other bills are paid no problem. Used wife's card, also failed. Dont have another card. What do I do to solve this issue. Payments have been going through this card since Feb and now both my internet and phone is locked. I tried to delete the payment method and re-entered the card details, which did not work either.

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