SAP Message AO238 - Deleting app. request &2 not allowed due to assignment to inv. program

Diagnosis
You want to delete appropriation request &V2&.
However, the appropriation request still has at least one assignment toan investment program position.

System Response
Deleting the appropriation request is not possible.

Procedure
If you want to delete appropriation request &V2&, you first have todelete all assignments to investment program positions.