Solution : https://service.sap.com/sap/support/notes/205706 (SAP Service marketplace login required)
Key words :
additional key words sap logon error, rfc trace file dev_rfc, sap logon error, function group suso, business explorer analyzer, function groups syst, error message user <, authorization object s_rfc, error message, rfc authorization
Related Notes :
| 308929 | Activating trace for SAP Logon Control |