For shipments to non-EU countries it is mandatory to register certain delivery note lines during the creating of your shipment booking.  Please make sure that you've registered acceptable values for the following fields:

<quantity>
<description>
<price>
<currency>
<HSCode>
<countryOrigin>

If you are unsure whether your shipment is dutiable, please contact your carrier directly.

Should these checks not solve you issue, please do not hesitate to contact us by e-mail at support@transsmart.com