How to fix the Oracle error ORA-31427: publication string already subscribed?

In this post, you’ll learn more about the Oracle ErrorORA-31427: publication string already subscribed with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31427: publication string already subscribed

Reason for the Error ORA-31427: publication string already subscribed

The subscription already contained this publication.

How to fix the Error ORA-31427: publication string already subscribed ?

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

Check the values of subscription_name and publication_id. Check any other subscribe calls to see if they subscribe to columns that are shared among more than one publication on the same source table. Do not attempt to subscribe to the same publication more than once in the same subscription. Use the publication_id variant of the SUBSCRIBE call if needed to specify precise publications.