How to fix the Oracle error ORA-32345: fail to refresh the materialized view string.string due to the changed synonym?

In this post, you’ll learn more about the Oracle ErrorORA-32345: fail to refresh the materialized view string.string due to the changed synonym with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-32345: fail to refresh the materialized view string.string due to the changed synonym

Reason for the Error ORA-32345: fail to refresh the materialized view string.string due to the changed synonym

The definition of one or more synonyms in the from clause have changed. The structure of the materialized view has become invalid.

How to fix the Error ORA-32345: fail to refresh the materialized view string.string due to the changed synonym ?

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

Restore the synonym(s) or drop the materialized view and recreate it again.