Solution : https://service.sap.com/sap/support/notes/871945 (SAP Service marketplace login required)
Key words :
rscpLangCPListGetCPtryrscpLangCPListGetCPrscpLangCPListGetCPdstRFC_CONVERSION_TABLE
Related Notes :
| 1375438 | Globalization Collection Note |
| 1319517 | Unicode Collection Note |
| 920831 | RFC with inactive text language |
| 881781 | Unicode/non-Unicode RFC language and code page assignment |
| 814707 | Troubleshooting for RFC connections Unicode/non-Unicode |
| 809279 | RFC non-Unicode to Unicode with unknown text language |
| 647495 | RFC for Unicode ./. non-Unicode Connections |
| 302063 | Correspondence Language |
| 112065 | Using customer language 'Z1' |
| 19466 | Downloading SAP kernel patches |