While attempting change of project ID key length in OPSK, the following error experienced,
Please suggest the steps to change the length from 1 to 3.
The details error message:
Message no. CS084
Diagnosis: The key can only be extended, if there are no project definitions or WBS elements that are only identified with their external number by the key of the project editing mask.
Example: Project editing mask 'EB-XXX-000'. The key cannot be extended if the external number is only 'EB'.
Procedure: You can only change this by changing the external number.