How to fix the Oracle error NNO-00159: warning: ignoring duplicate hint domain number name “string”?

In this post, you’ll learn more about the Oracle ErrorNNO-00159: warning: ignoring duplicate hint domain number name “string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

NNO-00159: warning: ignoring duplicate hint domain number name “string”

Reason for the Error NNO-00159: warning: ignoring duplicate hint domain number name “string”

Cause: The server’s hint domain list contains a duplicate domain. The duplicate is ignored and the server continues running.

How to fix the Error NNO-00159: warning: ignoring duplicate hint domain number name “string” ?

You can fix this error in Oracle by following the below steps

Action: An internal error not normally visible to the user. Contact Worldwide Customer Support.