SAP Message AP662 - WBS element &1 is still assigned to an investment program

Diagnosis
copied in part from Message AP661
You tried to reorganize, delete or flag WBS element &V1& for deletion.However, WBS element &V1& is still assigned to investment programposition &V2&.
Comment: This assignment is not an original assignment. It is a(statistical) assignment that was adopted as part of the IM fiscal yearchange. It is not displayed in the master data transactions forWBS element &V1&, but only in the master data transactions ofinvestment program position &V2& and in IM reporting.

System Response
The function therefore cannot be performed.

Procedure
First delete the assignment of WBS element &V1& to investment programposition &V2&: To do so, perform the Open New Approval Year -Repeat Run (transaction IM27_REPEAT) function from &V3& to &V4&, ordelete the assignment directly in master data maintenance of investmentprogram position &V2&.