SAP Message AO024 - Enter mandatory partner - otherwise you cannot save

Diagnosis
You want to save the appropriation request.
However, you still have to make a required entry for partner data (suchas, the person responsible, the applicant, or partner functions youdefined yourself).
The following mandatory partner functions are involved:
V1
V2
V3
V4

System Response
The system goes to a master data screen, from which you can continuemaster data maintenance.
It is not possible to save unless you enter the mandatory partnerfunctions.

Procedure
Maintain the mandatory partner functions.