Diagnosis
You want to recalculate the rent for a rental unit on the basis of arepresentative list of rents.
In the business entity of this rental unit, however, you have entered areference to a representative list of rents that is not defined inCustomizing.

System Response
The new rent cannot be calculated without the missing representativelist of rents data.

Procedure
Check the entries for the representative list of rent in the businessentity and change the setting as required: Changebusiness entity
If your entry was correct, contact your system administrator.

Procedure for the system administrator
Maintain the missing representative list of rents data in Customizingas required.