Transportation scheduling date is later than goods issue date

What causes this issue?

The <GL:transportation_planning_date>transportation planning date</>
comes after the <GL:goods_issue_date>goods issue date</>.
However, the means of transport must be scheduled before goods issue.

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

INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE E

Error message extract from SAP system. Copyright SAP SE.