How To Fix W0077 - Do not maintain the application and calculation schema fields

SAP Error Message - Details

• Message type: E = Error

• Message class: W0 - Customizing - ISR

• Message number: 077

• Message text: Do not maintain the application and calculation schema fields

What causes this issue?

The determination type is not 'A' (Purchase price determination using
schema KALSM from table TWEVZ) but you maintained fields "Application"
and "Schema".

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

You cannot maintain the fields "Application" and "Schema".

Error message extract from SAP system. Copyright SAP SE.