Oracle Error ORA-24085: operation failed, queue string is invalid

Oracle Error Message

ORA-24085: operation failed, queue string is invalid

Reason for the Error

An attempt was made to enqueue, dequeue or administer a queue which is invalid. This could have occured because the payload type of the queue’s queue table was dropped or rules associated with queue subscribers got altered or dropped.

Solution

Drop the queue table setting the force option to true.