Solution : https://service.sap.com/sap/support/notes/684990 (SAP Service marketplace login required)
Key words :
included support packages, attached sar archive, open file toolchkexe, downward-compatible 620-6 r3up, toolversion_exe phasesevere error, error message, downward-compatibility, terms r3up, newer r3up, txt reason
Related Notes :
| 644640 | Basis Support Package and SAP Kernel interdependencies |
| 517731 | Corrections for the upgrade to systems with Basis 620 |