SAP Message 5N035 - No valid country indicator found for the Netherlands in table T005

Diagnosis
No entry was found in table Countries (T005) for theNetherlands. Valid entries are required in this table for the wagereturn to determine the nationality and the country of the persons forwhom data is to be submitted.

System Response
The country indicator for the Netherlands is equal to "NL".

Procedure
Create at least one entry for the Netherlands in table T005.