How to fix the Oracle error ORA-39301: Cannot alter values recorded in materialized view log: string?

In this post, you’ll learn more about the Oracle ErrorORA-39301: Cannot alter values recorded in materialized view log: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39301: Cannot alter values recorded in materialized view log: string

Reason for the Error ORA-39301: Cannot alter values recorded in materialized view log: string

DBMS_METADATA_DIFF was comparing two materialized view logs that are recording different values, and the set of values in the first materialized view log cannot be changed to that in the second materialized view log. The error message identifies the specific problem.

How to fix the Error ORA-39301: Cannot alter values recorded in materialized view log: string ?

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

The difference cannot be eliminated with an SQL ALTER statement.