Should an order fail with this error:


DPD Local Validation error (1007) Missing mandatory field: invoice    


This means that we have not supplied DPD with a valid commercial invoice. Please ensure that:


1. Paperless trade is enabled - this will allow us to electronically provide a commercial invoice to DPD. 

2. Invoice generation is turned on here: https://helm.shiptheory.com/documents

3. Your products has the required commodity data. 



If you encounter any issues, please feel free to contact our support team. You can call us on 0117 403 4313 (UK) / +1 (629) 666-6726 (US) or reach us online here.