Diagnosis
The entries you have made are not enough to determine which object typeyou want to address.

Procedure
Orientate your entries on the object type required:
Settlement unit : (BE, ) service charge key, recipient key
Business entity : BE
Property : BE, Property
Building : BE, Property
Rental unit : BE, RU
Rental agreement : BE, RU, Agreement No.
Correction items : Asset, Correction items