Event '%1' not found

Error constant SQLE_EVENT_NOT_FOUND
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 Name of the event that could not be found.
Severity 11
SQLCODE –771
SQLSTATE WE001
Sybase error code 13781
Probable cause

You have attempted to reference an event with a name that does not exist in the database.