Well, after "can't be processed" the cc payment went through second time round, but only after displaying a payment page that said:
Click "Add" to go to the payment window. Please note if you click New, this will take payment and store the card details for future use regardless of whether you tick the box or not
But there was no Add or New to click
Click "Add" to go to the payment window. Please note if you click New, this will take payment and store the card details for future use regardless of whether you tick the box or not
But there was no Add or New to click