The error message states, that SupplyOn can’t find any due deliveries as the order number and order position is missing in this example.
![ASN Error handling 06](/system/files/content-public/screenshot/error_handling_06.png)
As explained in the beginning each shipping notification needs a matching demand message. Each demand message contains a customer order number. Check with your colleagues for which order number the delivery was planned.
- Open SupplyOn SCM
- Click the process Orders
- enter the order number in the quick search field
- open the order
- open the tab Line Items
The line item number is displayed.
Add the line Order Number and Order Position within the section Material Position
![ASN Error handling 07](/system/files/content-public/screenshot/error_handling_07.png)