Paste the error into Admin Panel under Monitor> Log Dashboard to get a better understanding of the issue. If this message does not make it clear what the issue is, ask in the Dev/CC Channel.
If Admin Panel translates the error to show "No valid shipping address!":
Have user verify the Shipping Address by clicking the three lines next to the Batch name and selecting Edit.
Example Case: https://inventorylab.zendesk.com/agent/tickets/13883