The following is the ORA-23313 error message, you can learn the cause and solution of the Oracle database error.


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

Cause: 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.

Solution: 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.

Case:

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