OCI-28071
The action is not valid.
Cause
The value provided for the ACTION parameter in the DBMS_REDACT.ALTER_POLICY procedure was invalid.
Action
Specify the ACTION parameter to DBMS_REDACT.ALTER_POLICY as one of the following values: DBMS_REDACT.MODIFY_EXPRESSION, DBMS_REDACT.MODIFY_COLUMN, DBMS_REDACT.ADD_COLUMN, or DBMS_REDACT.DROP_COLUMN.