Solution : https://service.sap.com/sap/support/notes/139118 (SAP Service marketplace login required)
Key words : 
/general/r3server/patches/rel31i/, latin 1 character sets, character sets cyrillic, additional key words, transporting texts, individual characters, converted incorrectly, prerequisites error, corrected r3trans, release date
Related Notes : 
       
| 80727 | Transporting non-LATIN-1 texts |