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

Oracle Error Message

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

Reason for the Error

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.

Solution

The difference cannot be eliminated with an SQL ALTER statement.