SAP Message AO343 - With change of cost center &3, profit center changed from &1 to &2

Diagnosis
You entered cost center &V3&. The business area and the profit centerare adopted from the definition of the cost center.
Profit center &V1&, which was the profit center until now, isoverwritten by profit center &V2&.

System Response
The system overwrites existing profit center &V1&.

Procedure
Check the cost center entry.