SAP Message RSDMD156 - Master data cannot be updated during change run

Diagnosis
You have tried to update master data. However, there is a realignmentrun taking place at the moment, which is preventing this. This canhappen if a data request and a realignment run are scheduled in thebackground and are run at the same time. The scheduler cannot predictthis behavior.

System Response
The update of master data (attributes or texts) is not executed.

Procedure
After the realignment run has finished, the corresponding data packetcan be updated from the monitor.