How to fix the Oracle error ORA-23477: unable to alter propagation mode for object group “string”.”string”?

In this post, you’ll learn more about the Oracle ErrorORA-23477: unable to alter propagation mode for object group “string”.”string” with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23477: unable to alter propagation mode for object group “string”.”string”

Reason for the Error ORA-23477: unable to alter propagation mode for object group “string”.”string”

The propagation method of a materialized view object group can only be altered when no other object groups with the same master object group are sharing the materialized view site.

How to fix the Error ORA-23477: unable to alter propagation mode for object group “string”.”string” ?

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

Ensure that there are no other materialized view object groups at the local site with the same master object group.