SAP Message WB2B_EXPENSE038 - The condition was not found (Customizing/pricing error)

Diagnosis
In price determination for the trading contract, the system did notfind the condition of the planned expenses, even though it is definedin the trading contract as a master condition for planned expenses.This is usually a Customizing error: In Customizing, the condition wasnot included in the calculation schema.

System Response
The system cannot continue processing.

Procedure
Check the Customizing settings for the calculation schema.