Oracle Message ORA-14019 - partition bound element must be one of: string, datetime or interval literal, number, or MAXVALUE

ERRORpartition bound element must be one of: string, datetime or interval literal, number, or MAXVALUE
CAUSEPartition bound list contained an element of invalid type (i.e. not a number, non-empty string, datetime or interval literal, or MAXVALUE)
ACTIONEnsure that all elements of partition bound list are of valid type