Oracle : Ошибка ORA-24070

"cannot upgrade queue table %s while it is being downgraded"
*Cause: An attempt was made to upgrade a queue table, but a previous
command to downgrade the queue table has not yet completed
*Action: Complete the downgrade of the queue table by re-executing the
DBMS_AQADM.MIGRATE_QUEUE_TABLE procedure. Then, upgrade the
queue table.

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