Where did you buy it? You can contact the merchant to check and see if your goods are right.

The sequential arrangement of numbers can be achieved through the "number adjustment function" of financial software, but it is generally not used, because it may cause the printed vouchers to be inconsistent with the numbers in the software, unless you re-print the vouchers after sorting the numbers. You can insert another coupon in the missing number. This operation can only be performed when the voucher of the current month has not been settled in the current month.