How to fix the Oracle error ORA-25256: consumer cannot be specified with a single-consumer queue or an exception queue?

In this post, you’ll learn more about the Oracle ErrorORA-25256: consumer cannot be specified with a single-consumer queue or an exception queue with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25256: consumer cannot be specified with a single-consumer queue or an exception queue

Reason for the Error ORA-25256: consumer cannot be specified with a single-consumer queue or an exception queue

An attempt was made to specify a consumer in the subscription string when registering for notification on a single-consumer queue or an exception queue.

How to fix the Error ORA-25256: consumer cannot be specified with a single-consumer queue or an exception queue ?

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

Do not specify the consumer in the subscription string.