In sched.agreement &1 Combining indicator is missing for item &2

What causes this issue?

In this item the indicator <LS>Combining</> is not selected in the
scheduling agreement. This indicator must be set in all JIT scheduling
agreements, as otherwise several call components cannot be combined in
one delivery.

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?

Check the indicator in the relevant <DS:TRAN.VA32>Scheduling agreement
</>.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.