Solution : https://service.sap.com/sap/support/notes/522770 (SAP Service marketplace login required)
Key words :
ps_psp_pnr field [work breakdown structure planning element, lo data extraction customizing cockpit, datasource/transfer structure tab, ps_pspex data element, transfer rules tab, terms 2lis_03_bf reason, 2lis_03_bf extract structure, 0wbs_elm_ex infoobject assignment, ps_psp_pnr field, transfer structure
Related Notes :
512611 | The BWPSPEX field of the 2LIS_03_UM extractor is not filled |
396647 | FAQ: V3 update: Questions and answers |
328181 | Changes to extraction structures in Customizing Cockpit |