SAP Message AO321 - Make % distribution either to cost centers or to bus.area/profit center

Diagnosis
You entered a percentage distribution for cost centers and businessareas or profit centers at the same time.
However, percentage distribution is only possible either completely tocost centers, or completely to profit center or business area.
At least one of the percentage distributions you entered includesdistribution to cost centers, and one of the percentage distributionsdoes not include cost centers.
Note:
For distribution according to cost centers, the system automaticallyadopts the business area and profit center from the cost center.

System Response
Your change cannot be saved.

Procedure
Check your percentage distributions for cost center and for profitcenter/business area.
Only make distributions that are either for cost centers only or forprofit center/business area only. Keep in mind the distributions thatalready exist.