SAP Message VLA030 - No item data exists

Diagnosis
Item data has not yet been read for the selected delivery.

System Response
The system needs the delivery's item data to carry out the follow-onfunction Create transfer order.

Procedure
Switch the list of deliveries to the item view so the system can readthe item data by choosing List -> Item view or the correspondingbutton. You can return to the original list after the import iscomplete.
Finally, try once again to create transfer orders for the selecteddeliveries.
When 'Outbound deliveries for picking' or 'Inbound deliveries forputaway' are being processed, the system automatically reads the itemdata, regardless of if you output the list from the header or itemview.