ORA-14308: partition bound element must be one of: string, datetime or interval literal, number, or NULL

ORA-14308: partition bound element must be one of: string, datetime or interval literal, number, or NULL

Cause: Partition bound list contained an element of invalid type (i.e. not a number, non-empty string, datetime or interval literal, or NULL)

Action: Ensure that all elements of partition bound list are of valid type