How to fix Undefined Variable Error in Laravel

The undefined variable error is common error when we build application Not only in laravel, but

use { foreach Undefined variable: state (View: C:wampwwwresourcesviews

undefined variable $slot The undefined variable error is common error when we build application Not only in laravel, but

laravel $slot but instead i get Undefined variable $slot I suppose i can null-coalesce , but isn't Component supposed to take care of that? Archived post