How to fix the Oracle error ORA-24063: cannot downgrade QUEUE_TABLE that has queues with rule-based subscribers?

In this post, you’ll learn more about the Oracle ErrorORA-24063: cannot downgrade QUEUE_TABLE that has queues with rule-based subscribers with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24063: cannot downgrade QUEUE_TABLE that has queues with rule-based subscribers

Reason for the Error ORA-24063: cannot downgrade QUEUE_TABLE that has queues with rule-based subscribers

An attempt was made to downgrade the queue table when there were queues on which rule based subscribers are defined.

How to fix the Error ORA-24063: cannot downgrade QUEUE_TABLE that has queues with rule-based subscribers ?

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

Remove the rule based subscribers for all queues in this queue table and retry.