Error while publishing webmethods publishing trigger

hii all,

I am using IS 10.5. i configired the jdbc connection with mysql database, and created trigger,
and it is showing error
“[ART.116.3134] Adapter Runtime (Notification): Unable to Enable Publish Event for notification: JDBCDemo:updateNotification [ART.116.3139] Adapter Runtime (Notification): EventType Definition doesnt exists in the EventTypeStore for notification : JDBCDemo:updateNotification.”

what should i do??

Refer the chapter “Event Publishing Support for Adapter Notifications” from Adapter Runtime User’s Guide Docs.