Diagnosis
Up until now the simulation period ID &V1& had oneof the following statuses:

• Inactive, delete mass simulation indexes


• Bill mass simulation indexes

You have tried to change the status to Bill mass simulation indexes or Create mass simulation indexes. This can lead toinconsistencies in the results of the mass simulation. For moreinformation see the documentation for the data elementStatus of Mass Simulation Run.

Procedure
We recommend that you do not reactivate inactive simulation periods orrecreate mass simulation indexes afterwards.
Enter a new simulation period.