Character substitution occurred when converting from %1 to %2

Error constant SQLE_SIMPLE_SUBSTITUTION_WARNING
ODBC 2 State 01000
ODBC 3 State 01000
Parameter 1 The character set of the input string.
Parameter 2 The character set of the output string.
Severity 10
SQLCODE 127
SQLSTATE 01WC3
Sybase error code 13896
Probable cause

While the server was performing character set conversion on an input string, some characters could not be represented in the database character set. Those characters were substituted. See on_charset_conversion_failure option.