How to fix the Oracle error ORA-23500: cannot switch master for a multi-tier materialized view repgroup “string”.”string”?

In this post, you’ll learn more about the Oracle ErrorORA-23500: cannot switch master for a multi-tier materialized view repgroup “string”.”string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23500: cannot switch master for a multi-tier materialized view repgroup “string”.”string”

Reason for the Error ORA-23500: cannot switch master for a multi-tier materialized view repgroup “string”.”string”

An attempt was made to switch master for a materialized view repgroup when its parent repgroup is also a materialized view repgroup. This is not allowed.

How to fix the Error ORA-23500: cannot switch master for a multi-tier materialized view repgroup “string”.”string” ?

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

Drop and recreate the materialized view repgroup based on a proper parent repgroup.