ORA-14262

Error: ORA-14262: new subpartition name must differ from the old subpartition name

Causa: User entered ALTER TABLE/INDEX RENAME SUBPARTITION specifying new_subpartition_name which is identical to the name of the subpartition being renamed.

Acción: Ensure that the new subpartition name is different from the name of any (including the one being renamed) existing subpartition of a given table or index.