Oracle EBS R12 version 12.1.3 Unable To Update Employee Gender To "Unknown" Through API

Dear Team,

May I know is it possible to make some changes and load the employee as "Unknown" gender? Is it possible to allow any custom functionality to process employee as "Unknown" gender?

Currently I am facing this issue while passing null value to Gender

When I am passing "null" value for HR_PERSON_API.UPDATE_PERSON API. I am getting below error.

Error # Error Message Additional Information Values

---------- ---------------------------------------------------------------------- ------------------------------------------ -------

UPDATE HR_PERSON_API.UPDATE_PERSON -> ORA-20001: You must enter the gender fo Employee ID (7001067)

r an employee.

Cause: You have tried to enter an employee without e