Schedule '%1' for event '%2' already exists

Item Value
SQLCODE -774
Constant SQLE_SCHEDULE_ALREADY_EXISTS
SQLSTATE WE004
Sybase error code 13784
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 Name of the schedule that already exists.
Parameter 2 Name of the event being scheduled.

Probable cause 

You have attempted to create a schedule with a name that already exists in SYS.SYSSCHEDULE for the named event.