Accounting doc(s) containing multiple line items marked display only

What causes this issue?

You are displaying accounting documents with more than one line item.

System Response

The Treasury Offset status is updated at the accounting document header
level. To maintain consistency, the Treasury Offset field for the
additional line items of an accounting document are for display only.

How to fix this error?

The Treasury Offset status can be entered for the first 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.