SAP Message WB2B_EXPENSE037 - Condition &2 was not found in document &1 (Customizing error)

Diagnosis
In the calculation system, the system did not find a condition witheither type 'd' or 'K'. As a result, the expense value cannot be set.This is a Customizing error.

System Response
The system cannot continue processing.

Procedure
Please check the Customizing settings for calculation schemadetermination for the vendor billing documents, and the calculationschema itself.