On the site it is a "Purchase Preview Error" Did a search and saw that this was a problem in the past. Apparently it is a problem again. Any advice appreciated.
Update: Was given a stock answer on that my country does not match that of the payment (expat here) even though I have used that card multiple times in the past. Lovely.
Make sure your account data match those on your credit card : name, surname country and so... That was an issue for me too on 2 of my accounts and i have to ask for a wipe of my credit card data cause as a customer i was unable to remove them and was not able to mod some part of those data.