How to fix the Oracle error ORA-24070: cannot upgrade queue table string while it is being downgraded?

In this post, you’ll learn more about the Oracle ErrorORA-24070: cannot upgrade queue table string while it is being downgraded with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24070: cannot upgrade queue table string while it is being downgraded

Reason for the Error ORA-24070: cannot upgrade queue table string while it is being downgraded

An attempt was made to upgrade a queue table, but a previous command to downgrade the queue table has not yet completed succesfully.

How to fix the Error ORA-24070: cannot upgrade queue table string while it is being downgraded ?

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

Complete the downgrade of the queue table by re-executing the DBMS_AQADM.MIGRATE_QUEUE_TABLE procedure. Then, upgrade the queue table.