I have the same problem with IKEA, except their customer service reps lie and tell me it's my bank that blocked the transaction.
This ended up costing me a lot of time as I called my bank, tried the order again, called the bank again, tried different credit cards... eventually I figured out the IKEA reps were just lying, and they had flagged all orders under my name and address without telling me. Infuriating.
This ended up costing me a lot of time as I called my bank, tried the order again, called the bank again, tried different credit cards... eventually I figured out the IKEA reps were just lying, and they had flagged all orders under my name and address without telling me. Infuriating.