Diagnosis
You want to distribute or assess data using an explicit distributionkey or using reference data. However, you have not defined which keyfigure you want to use as the key, or you have not maintained theexplicit distribution key.

System Response
The method is faulty and therefore cannot be saved.

Procedure
Make sure you have completely specified the distribution key in methodstep &SYST-MSGV1& (including the key figures).