The following is the ORA-23410 error message, you can learn the cause and solution of the Oracle database error.
ORA-23410 materialized view “string“.”string” is already in a refresh group
Cause: A materialized view of the same name is already in a refresh group.
Solution: 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.
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