How to fix the Oracle error ORA-56726: Category string is referred to by a consumer group and cannot be deleted?

In this post, you’ll learn more about the Oracle ErrorORA-56726: Category string is referred to by a consumer group and cannot be deleted with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-56726: Category string is referred to by a consumer group and cannot be deleted

Reason for the Error ORA-56726: Category string is referred to by a consumer group and cannot be deleted

An attempt was made to delete a category that is referred to by a consumer group.

How to fix the Error ORA-56726: Category string is referred to by a consumer group and cannot be deleted ?

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

Modify or remove all consumer groups that use this category and then retry.