SAP Message AIST012 - Mass change: profit center is not unique (&1/&2)

Diagnosis
The profit center is not unique.
As a result of the mass change, different profit centers are derivedfrom the account assignment objects &v3& and &v4&:
Profit center from &v3&: &v1&
Profit center from &v4&: &v2&

System Response
The system does not perform the change.

Procedure
Adjust the substitution in your mass change so that only one profitcenter is determined.

Procedure for System Administration
You can set up this error message as a warning. However, you should makethis a warning message only in exceptional cases and with good reasons,because otherwise this can lead to inconsistencies in the asset masterrecord.