How to fix the Oracle error ORA-24058: cannot downgrade QUEUE_TABLE that has propagation in a prepared state?

In this post, you’ll learn more about the Oracle ErrorORA-24058: cannot downgrade QUEUE_TABLE that has propagation in a prepared state with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24058: cannot downgrade QUEUE_TABLE that has propagation in a prepared state

Reason for the Error ORA-24058: cannot downgrade QUEUE_TABLE that has propagation in a prepared state

An attempt was made to downgrade the queue table when there were messages being propagated that were in the prepared state.

How to fix the Error ORA-24058: cannot downgrade QUEUE_TABLE that has propagation in a prepared state ?

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

Wait for the propagation to complete before retrying the operation.