How to fix the Oracle error ORA-23410: materialized view “string”.”string” is already in a refresh group?

In this post, you’ll learn more about the Oracle ErrorORA-23410: materialized view “string”.”string” is already in a refresh group with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23410: materialized view “string”.”string” is already in a refresh group

Reason for the Error ORA-23410: materialized view “string”.”string” is already in a refresh group

A materialized view of the same name is already in a refresh group.

How to fix the Error ORA-23410: materialized view “string”.”string” is already in a refresh group ?

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

Subtract the materialized view from the current refresh group and add it to its new refresh group, or combine the two refresh groups into a single refresh group.