Oracle Error Message
ORA-26563: renaming this table is not allowed
Reason for the Error
Attempt to rename a replicated table, an updatable materialized view table or the master table of a materialized view for which a materialized view log has beencreated.
Solution
If desired, unregister the replicated table with dbms_repcat.drop_master_repobject, or use the recommended procedure to rename the master table of a materialized view.