Diagnosis
You have selected 'Final settlement' as the settlement type for servicecharge key '&V1&'.
The assignment of a reference flow type to service charge key '&V1&' isnot defined in Customizing.

System Response
You cannot select 'Final settlement' as the settlement type for thisservice charge key.

Procedure
You have two alternatives:
Select another settlement type.
Contact your system administrator if you need service charge key '&V1&'with settlement type 'Final settlement'.

Procedure for the system administrator
Assign the service charge key a reference flow type that is valid forthe final settlement in Customizing.

Further_hints
You can simulate settlement type 'Final settlement' with settlementtype 'Advance payment', for which you must set the advance paymentamount in the rental conditions to 0.00.