Laravel 5.4 field doesn't have a default value

Question

I am having this error and none of the googled result i checked is similar to my problem.

I have an application with class Deal, User, and Matches

A deal has

Answer 1

Since it was a unique field in my case, I could not make it nullable.

For me, I had an empty constructor which was causing the issue don't know why. Please comment if anyone knows the reason.

public function __construct(){

}

Commenting/removing it resolved the issue.