Solution : https://service.sap.com/sap/support/notes/790865 (SAP Service marketplace login required)
Key words :
rfc-library patch level 80 640, rfc-library patch level 12, rfc-library reason, rfc-library starts, library patch level, program errors relating, remote function calls, 20 codepage/language vector, codepage/language vector, patch collection
Related Notes :
| 790485 | RFC Problem Single Code Page, non-Unicode to Unicode System |