SAP Message 63370 - No currently valid apport. unit for SU & & & &

Diagnosis
You want to calculate an option rate for settlement unitV1/v2/v3/v4 based on the relationship of the apportionmentunits. However, there is not apportionment unit for the settlement uniton the calculation due date.

System Response
The system will not carry out a calculation for this settlement unit.

Procedure
Verify the master data of the settlement unit.