This error message will show when you do not enter correct data for your shipment under Shipmentlines/Pakketinformatie. Add a package type through your source system/ERP program/WMS or in our portal with the button 'Add Packages/Pakketten Toevoegen'

Should you need further assistance with this issue, please do not hesitate to contact us at support@transsmart.com and please send us the reference of the shipment that you're experiencing issues with.