Oracle Message ORA-14074 - partition bound must collate higher than that of the last partition

ERRORpartition bound must collate higher than that of the last partition
CAUSEPartition bound specified in ALTER TABLE ADD PARTITION statement did not collate higher than that of the tables last partition, which is illegal.
ACTIONEnsure that the partition bound of the partition to be added collates higher than that of the tables last partition.