How to fix the Oracle error ORA-32816: foreign queue string is referenced by a subscriber or schedule?

In this post, you’ll learn more about the Oracle ErrorORA-32816: foreign queue string is referenced by a subscriber or schedule with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32816: foreign queue string is referenced by a subscriber or schedule

Reason for the Error ORA-32816: foreign queue string is referenced by a subscriber or schedule

An attempt was made to unregister a foreign queue currently referenced by one or more subscribers or propagation schedules.

How to fix the Error ORA-32816: foreign queue string is referenced by a subscriber or schedule ?

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

Remove all subscribers and propagation schedules using this foreign queue and retry the operation.