救命！在raileurope订票问题，无法确认TT

我在raileurope订意大利的票时，在最后要确定付款的时候说是 We're sorry, but we cannot finalize your Booking.The shipping mode you selected is not available any more for your selected products. 我觉得它可能跟下面这个有关，但找不大可以选择的地方Only Ticketless is available as delivery option 点击此处阅读“无票”解决方案。 肿么办TT