Solution : https://service.sap.com/sap/support/notes/186653 (SAP Service marketplace login required)
Key words : 
select 'interface'    choose 'change', additional key words hf_integrated_cost_reporting, function module hf_integrated_cost_reporting, type      proposal    optionali_buffer, investment program positions, 'import' list make, project planning board, planning board, enter 'hf_integrated_cost_reporting', import    ref
Related Notes : 
       
| 134621 | IM/PS reporting: Plan/budget/residual plan differ |