The First (or only) Container ID field becomes required when the Using Own Label Numbers box is checked. This option indicates that you are opting out of Fulfillment-generated shipping labels and will be generating your own labels internally for the shipment.
Learn how to correctly use the Using Own Label Numbers and First (or only) Container ID fields when working with your own internally generated shipping labels.
If you accidentally clicked the Use Own Label Numbers field and wish to use Fulfillment generated labels, you will need to create a new Advance Ship Notice and ensure the Using Own Label Numbers box remains unchecked.
Want to learn more? Try Training Center!
Need to contact Customer Support? Try Chat!