SAP Message AP089 - Appropriation request &1 is still used in investment program

Diagnosis
You tried to reorganize, delete, or mark appropriation request &V1& fordeletion. However, appropriation request &V1& is still assigned toinvestment program position &V2&.

System Response
The function cannot be performed.

Procedure
Delete the assignment of appropriation request &V1& to investmentprogram position &V2&. Using transaction IM54, you can automaticallydelete the assignments of closed measures or appropriation requests toprogram positions investment program &V4&.

201832Deletn flag not possible f required entry investment program
514168Delete/archive meas./requests not possible for invstm.progr.
179345 Del/arch measur/appro requests for investmnt program