Checkout failures are likely due to one of the following reasons:
1) System Limitations
Some system limitations have been put in place for your credit card transactions.
2) Misuse of Credit Cards
Credit card payments on HWC COFFEE are subject to transaction processing rules imposed by card schemes (e.g. Mastercard, Visa, etc.). Credit cards with activities suspected to be in violation of such transaction processing rules will not be honoured with you checkout on HWC COFFEE .
If your payment cannot proceed, do check with your bank.