Diagnosis
Contract account numbers are twelve-figure and can contain either oneor two check digits. The number and type of check digits depends on thefunction that is processed at Event 1019.
If one check digit is used, the contract account numbers from thenumber range should contain one leading zero. If two check digits areused, two leading zeros are required.
The check number(s) are attached to the number and an appropriatenumber of leading zeros removed.
In this case, the invalid number &V1& was determined from a numberrange. This number does not contain the necessary leading zeros.

System Response
Error message. The contract account is not saved.

Procedure
Correct the number ranges for contract accounts.