Check the validity of the customs office

What causes this issue?

You have changed the country for the transportation connection point
which has probably rendered the customs office definition invalid.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Check whether the customs office is valid for the country (use F4
help).

Error message extract from SAP system. Copyright SAP SE.