Oracle Solution for Error ora-14119

Solution for Oracle Error ORA-14119

ORA-14119: specified partition bound is too long

What triggered the Error:

Length of a linear key representation of a high bound of a table partition being added or along which an existing table or index partition is being split exceeded the legal limit (4K).

What should we do to fix it:

Change representation of a partition high bound to bring its length within legal limit.