I have the same problem: "You cannot use this credit card for this transaction. Please use another funding source." and "Unfortunately, your payment was declined" This start some week ago with loosing money: 5-10% for each convertation from USD-to-USD!! during payment (my card is USD and seller also set USD and option "Bill me in the currency listed on the seller's invoice." selected in paypal options) . And now it is not working at all. Another funding source (not USD) - has the same issues. Also it hase some relation to combined payment and new interface (I don't know how to choose new or old, it seems appears randomly)
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