Solution : https://service.sap.com/sap/support/notes/1463168 (SAP Service marketplace login required)
Key words :
upgrade tool reports, call transaction se11, unique secondary index, secondary index plg, secondary index sap, -unique index/index, current support package, customizing tables satc_md_step, enter table satc_md_step, enter table satc_ac_chk
Related Notes :
| 1557404 | Central Note - Software Update Manager 1.0 SP02 [lmt_007] |