Data for 'third country duty rate' not complete

What causes this issue?

The data for checking 'third-country duty' were not completely entered
on the selection screen.

How to fix this error?

For the 'third-country duty' check, the following data must be
maintaine d on the selection screen:
Country of origin
Country of dispatch
Import country
Import code number

Error message extract from SAP system. Copyright SAP SE.