If you received a linking error, it could be because the card you are trying to use is not eligible.
Not all cards are eligible. For example, international cards, corporate and purchasing cards, Health Savings Account (HSA), Flexible Spending Account (FSA) cards, government-administered prepaid cards (including EBT cards), insurance prepaid cards, Visa Buxx, and other cards whose transactions are not processed through the payment networks own system are not eligible.
If you do not have an eligible card, please contact the company that issued your voucher for further assistance.
If you think that your card is in fact eligible, please get in touch with us through firstname.lastname@example.org.