Solution : https://service.sap.com/sap/support/notes/488798 (SAP Service marketplace login required)
Key words :
insert import parameter no_aipp_check, terms copy wbs structure, import tab page, include wbs elements, aipp hierarchy check, attached program corrections, function module cjdw_prps_attach, wbs hierarchy, function module, enter cjdw_prps_attach
Related Notes :
| 507905 | Copying WBS structure without root: incorrect hierarchy |