google script

Job ID: 32327582

Budget: ₹600 – ₹1,500 INR

I want to populate google form dropdown from google sheets. but i am getting an

error
Exception: Questions cannot have duplicate choice values.
(anonymous) @ Code.gs:26
populateGoogleForms @ Code.gs:17

or
Error
Exception: Invalid conversion for item type: MULTIPLE_CHOICE.
myFunction @ Code.gs:5