How to fix the Oracle error ORA-23313: object group “string”.”string” is not mastered at string?

In this post, you’ll learn more about the Oracle ErrorORA-23313: object group “string”.”string” is not mastered at string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23313: object group “string”.”string” is not mastered at string

Reason for the Error ORA-23313: object group “string”.”string” is not mastered at string

The group name is null, the group name is misspelled, the invocation database is not a master, or the invocation database does not believe the given database is a master.

How to fix the Error ORA-23313: object group “string”.”string” is not mastered at string ?

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

If the given group name was correct, connect to a current master and retry the request, make the invocation database a master with add_master_database, or use switch_mview_master if the invocation database is a materialized view site.