Cannot convert between requested character sets '%1' and '%2'

Error constant SQLE_FAILED_TO_START_CONVERTER_2_CHARSETS
ODBC 2 state ERROR
ODBC 3 state ERROR
Parameter 1 The name of the first requested character set encoding.
Parameter 2 The name of the second requested character set encoding.
Severity 16
SQLCODE -891
SQLSTATE WC008
Sybase error code 13592
 Probable cause