SAP Message AC714 - Company code &1: area &2 has to manage group assets

Diagnosis
Company code &V1&: The group asset indicatorhas to be set in depreciation area &V2&, since at least one asset(asset &V3&) manages a group asset in this depreciation area.

System Response
The data is not saved.

Procedure
There are two options:
Set the indicator for managing group assets in depreciation area &V2&.
Delete the assignment to a group asset in asset &V3& and in all others(Change asset: master record). Then you can delete theindicator for managing group assets in depreciation area &V2&.