Missing Header and Footer

The **Header** and **Footer** of my **Wordpress** website suddenly **missing** but I can still see them in the **Saved Templates.**

I already tried , changing the Page Layout from Deafult to Elementor Full Width but still it does not display. Does someone here have same experience?Please help


This site will teach you how to build a WordPress website for beginners. We will cover everything from installing WordPress to adding pages, posts, and images to your site. You will learn how to customize your site with themes and plugins, as well as how to market your site online.

Buy WordPress Transfer