Diagnosis
To carry out heating expenses settlements, apportionment units thatrepresent the basic shares for settlements with an external companymust be defined for each rental unit (for example, the "heating area"apportionment unit corresponds to the "heating" basic share).

System Response
The central heating system cannot participate in the settlement.

Procedure
Contact your system administrator.

Procedure for the system administrator
Define the required apportionment unit in Customizing.