SAP Message WG061 - Del. data cannot be derived for order &, material &, supplying plant &

Diagnosis
No shipping data (e.g. shipping point, delivering period, route) couldbe determined for delivery generation.

System Response
The system is attempting to create the delivery. If this is notpossible, then processing is carried out in the workflow.

Procedure
Maintain the shipping data of this material for the supplying plant.