Sybase Adaptive Server Anywhere Reference page 806

Alphabetic list of error messages
Event '%1' already exists
Probable cause
Event '%1' in use
Probable cause
788
Item Value
SQLCODE -772
Constant SQLE_EVENT_ALREADY_EXISTS
SQLSTATE WE002
Sybase error code 13782
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 Name of the event that already exists.
You have attempted to create an event with a name that already exists in
SYS.SYSEVENT.
Item Value
SQLCODE -835
Constant SQLE_EVENT_IN_USE
SQLSTATE WE009
Sybase error code 13841
ODBC 2 State ERROR
ODBC 3 State ERROR
Parameter 1 Name of the event that is in use.
You have attempted to drop an event that is currently in use.