Message SAP /BEV2/EDMESS1204 - Alternative conversion for tax type &1 in company code &2 is missing

Diagnosis
You want to switch on the alternative conversion to the settlement unitvia ExD. Yet, the entry rel. to the alternative conversion unit isstill missing in the table Settlement unit.(tax type &v1& and company code &v2&).

Procedure
Maintain the alternative conversion unit in all company codes rel. tothe tax type &v1& in the table Settlement unit
.