Solution : https://service.sap.com/sap/support/notes/790485 (SAP Service marketplace login required)
Key words :
rscpLangCPListGetCPtry Unicode
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| 1319517 | Unicode Collection Note |
| 814707 | Troubleshooting for RFC connections Unicode/non-Unicode |
| 790865 | Rfc patch collection 46 2004 |
| 647495 | RFC for Unicode ./. non-Unicode Connections |
| 302063 | Correspondence Language |
| 112065 | Using customer language 'Z1' |
| 42305 | RSCPINST (I18N configuration tool) |