关于墨尔本CITYLINK交费查询等问题

我2.21在墨尔本为了赶时间走了一段CITYlink,今天在官网查询了下，结果是这个样子滴：Sorry, we don't have an invoice that matches this vehicle registration number. You can check the vehicle registration number entered and try again.车牌号码肯定没输入错，不知道有人是否有一样的经历？是还没出账单？还是侥幸没拍到我，不收费？还是我输入的有问题？