Solution : https://service.sap.com/sap/support/notes/1236613 (SAP Service marketplace login required)
Key words :
system entry properties, system entry concerned, system entry, system reason, existing user, sap shortcut, user defined, section [mssysname], strongly recommended, sap gui 710
Related Notes :
212453 | SAP shortcut: Reuse does not work due to missing SID |
99054 | SAPshortcut - Collective note |