Diagnosis
The number of apportionment units is only taken into consideration asfrom the validity date when the costs are calculated. This date has tobe between lease start and lease end for rental agreements for limitedperiods. The date has to be after or on the same date as lease startfor rental agreements for unlimited periods.

System Response
You have to enter a date which is between the lease start and lease endof the rental agreement.

Procedure
Enter a date which is between lease start and lease end.