SAP Message AO291 - Appropriation request cannot use itself as an original request

Diagnosis
You want to assign appropriation request &V1& as the originalappropriation request.
However, you are currently processing appropriation request &V1&.

System Response
Appropriation request &V1& cannot be used as the original appropriationrequest.

Procedure
Correct your entry.
Use the entry help to look for a different original request.