Diagnosis
You want to change the valid-from date of the change master record.
This is not possible, because characteristic &v1& means that &V2& is nolonger consistent.
This is because characteristic &v1& has already been changed with achange number on the new valid-from date (&V1&).

System Response
The system produces a message log with a list of the change objectsthat prevent a date shift.

Procedure
Please move the valid-from date of the change number to a differentdate.