How To Fix WS099 - Error in calculation schema &, no net value can be set for item &

SAP Error Message - Details

• Message type: E = Error

• Message class: WS - Supplier Billing Document

• Message number: 099

• Message text: Error in calculation schema &, no net value can be set for item &

What causes this issue?

A net value cannot be set because of the current Customizing settings
for calculation schema &V1&.
Possible causes:
A valid net value could not be determined for item &V2&.
A manual condition type for setting a manual net value does not exist
in calculation schema &V1&.

System Response

INCLUDE ISR_VERARBEITUNG OBJECT DOKU ID TX

How to fix this error?

Correct the Customizing settings for calculation schema &V1&. If
necessary, check the settings for schema determination in the current
document.
Also check
whether a condition type with condition category Base price or Transfer
price is set in calculation schema &V1& as the basis for price
calculation
whether a manual condition type (condition type without access
sequence) with the appropriate condition category is set in calculation
schema &V1&
whether the calculation rule is a 'Fixed amount' rule

Error message extract from SAP system. Copyright SAP SE.