Withdrawal of partial quantities is not possible for the sing.-unit batch

What causes this issue?

The issuing batch is a single-unit batch.
You can only withdraw partial quantities for a single-unit batch if the
<ZK>Partial GI allowed</> indicator is set in the material master.
The error was initiated because there is a remaining quantity greater
than zero in the issuing batch.

System Response

The document cannot be posted.

How to fix this error?

Maintain the <ZK>Partial GI allowed</> indicator in the material master
record.
and / or
Change the <DS:DE.MILL_REST_USE>rest usage</>

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.