Solution : https://service.sap.com/sap/support/notes/373038 (SAP Service marketplace login required)
Key words :
read plan version-dependent data, additional key words upgrade, upgrade organizational management data, previously unknown xpras work, sap recommends converting, execute report agr_xpra, table entries exist, active plan version, higher basis release, migrates activity groups
Related Notes :
| 353861 | HR: Upgrade to 4.6C (or higher) |
| 317722 | Upgrade information for table T77S0 |
| 192949 | Additional info for upgrade to 4.6C |
| 48184 | Upgrade: Stopping a running R3up or SAPup |