Step &1: Gross line with price summary not permitted

What causes this issue?

You have set the <DS:DE.PREISZUS>price summary indicator</> &V2& in
schema step &V1&. However the <DS:DE.BRUTTOZEILE>brotto line items</>
indicator is also set in this step. This combination is not permitted.

System Response

You cannot save the schema
You cannot release the schema for billing

How to fix this error?

Delete the price summary indicator or do not set this step as a gross
line item.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.