Different final recipients in delivery &1 and IDoc: &2 and &3

What causes this issue?

You are using an external Warehouse Management System (WMS). The
delivery with the delivery note number &V1& is assigned different
final recipients (with the role 'UC'), namely &V2& and &V3&. This is not
permitted if you are using the external WMS in conjunction with
cross-docking and prepacking.

System Response

This item is not seen as relevant for cross-docking with prepacking.

How to fix this error?

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

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.