SAP Note 27981 - Vendor master partner function 'Different payee'

Symptom:

The partner function DP (different payee) is not proposed and cannot be created manually.

Cause and prerequisites

The partner function DP was only proposed if it was marked as mandatory role in the partner determination procedure. In this case, there was no proposal from field LFA1-LNRZA.

Solution
Characterize partner function DP as mandatory role or
insert the following advance correction P30K020801