Solution : https://service.sap.com/sap/support/notes/326218 (SAP Service marketplace login required)
Key words :
sgrw_navi_barsgrw_om sgrw_ps sgrw_pc sgrw_sl sgrw_pca sgrw_ec sgrw_lis, cost element report ----- supportguide 20010207184721 -----reportwriter, additional key words variation, variation hierarchy display, navigation controlwbs element, affects project reports, report output, affects reports, project reports, project number
Related Notes :
| 353607 | Composite note 'Navigation bar' |
| 157585 | Field values truncated in variation hierarchy |