Database server cannot convert data from/to character set '%1', conversion may not be correct

Error constant SQLE_UNSUPPORTED_CHARACTER_SET_WARNING
ODBC 2 State 01000
ODBC 3 State 01000
Parameter 1 Name of the requested character set.
Severity 10
SQLCODE 115
SQLSTATE 01W13
Sybase error code 13614
Probable cause

The database server cannot convert character data from/to the character set requested by the application because the character set is not supported. The connection succeeds, but character conversion may not be correct for all characters.