SAP Message REEXFI051 - With indiv. condominium mgmt, must be able to determine unique profit ctr

Diagnosis
You are posting a document in a condominium owner company code. Thesystem is not able to uniquely determine the profit center in allrelevant line items.
However, determining the profit center is necessary because the profitcenter is the basis for separation of assets for the different owners ina condominium owner company code.

System Response
The system cannot post the document.

Procedure
Check your entries, such as, account assignments, contract assignment,or house banks.