How to recieve data from <form>?

https://codepen.io/Yogeshvar-Mugil/pen/NWRXJww

While submiting this code i got error
{“data”:null,“errors”:[“unexpected”],“success”:false}

what i should give for action?

A post was merged into an existing topic: How to rectify this error?

Please do not create duplicate topics for the same challenge/project question(s). This duplicate topic has been unlisted.

Thank you.