How to fix the Oracle error ORA-26803: Subscribers have changed for queue “string”.”string”.?

In this post, you’ll learn more about the Oracle ErrorORA-26803: Subscribers have changed for queue “string”.”string”. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-26803: Subscribers have changed for queue “string”.”string”.

Reason for the Error ORA-26803: Subscribers have changed for queue “string”.”string”.

The combined capture and apply optimization could not be used since the subscribers had changed.

How to fix the Error ORA-26803: Subscribers have changed for queue “string”.”string”. ?

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

Optimization can be used only if the queue has a single subscriber.