TNS-12622: TNS:event notifications are not homogeneous



TNS-12622: TNS:event notifications are not homogeneous..

Answer / guest

Cause: An attempt to register a connection for event
notification failed because the event notification type
conflicts with existing registrations.

Action: Not normally visible to the user. For further
details, turn on tracing and reexecute the operation and
contact Oracle Customer Support.

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