Solution : https://service.sap.com/sap/support/notes/1317026 (SAP Service marketplace login required)
Key words :
software component sap_basis sap basis compo, customer-specific area menu, sap standard menu, terms se43 reason, relevant support package, manual post-implement, support package levels, sap enhancement ids, enhancing area menus, area menu enter
Related Notes :
| 1313578 | Customer-specific menus: Enhancements cannot be maintained |
| 193251 | Customer enhancement in area menus |