Diagnosis
A company code is assigned to a particular country. Tax codes are alsoassigned to a country.
The tax code you have chosen has not been defined for the country inwhich your company code has been created.

Procedure
INCLUDE NA_SYSADMIN1 OBJECT DOKU ID TX LANGUAGE EN

Procedure for System Administration
Define the tax code for your company code's country in Customizing forFinancial Accounting under Financial Accounting GlobalSettings -> Tax on Sales/Purchases -> Calculation -> Define tax codesfor sales and purchases.