A transaction log file is required for auditing

Error constant SQLE_AUDITING_WITHOUT_TRANSACTION_LOG
ODBC 2 State ERROR
ODBC 3 State ERROR
Severity 16
SQLCODE –913
SQLSTATE 42W91
Sybase error code 13571
Probable cause

This database is running without a transaction log file. You must use the Transaction Log utility (dblog) to create a transaction log file before using auditing.