Solution : https://service.sap.com/sap/support/notes/778808 (SAP Service marketplace login required)
Key words :
symptom 620sp01-sp45, start page/controller, 'object description' field, role menu reason, long relative urls, define bsp applications, define bsp, field 'continuation', role maintenance, relative url
Related Notes :
| 886084 | Inconsistensy between BSP favourites entries (part 2) |
| 789970 | EP 6.0 Role Upload - BSP and Miniapp Limitations |