Oracle Error Message
ORA-14211: subpartition bound must collate higher than that of the last subpartition
Reason for the Error
Subpartition bound specified in ALTER TABLE MODIFY PARTITION ADD SUBPARTITION statement did not collate higher than that of the partition’s last subpartition.
Solution
Ensure that the subpartition bound of the subpartition to be added collates higher than that of the table partition’s last subpartition.