zZzzZ. — /home2/zrzvbdry/morecou.com/wp-content/themes/retail-pro

Editing: 404.php

<?php
/**
 * The main template file.
 *
 * This is the most generic template file in a WordPress theme
 * and one of the two required files for a theme (the other being style.css).
 * It is used to display a page when nothing more specific matches a query.
 * E.g., it puts together the home page when no home.php file exists.
 * Learn more: http://codex.wordpress.org/Template_Hierarchy
 *
 * @package WP Coupon
 */
get_header();

/**
 * Hooks wpcoupon_after_header
 *
 * @see wpcoupon_page_header();
 *
 */
do_action( 'wpcoupon_after_header' );
$layout = wpcoupon_get_site_layout();

?>
    <div id="content-wrap" class="container container-page full-width">
        <div id="primary" class="content-area">
            <main id="main" class="site-main" role="main">
                <div class="content-404 widget-area">
                    <div class="rt-header-404">
                        <h1><?php esc_html_e( "404—Sorry!", "retail-pro" ); ?></h1>
                        <p><?php esc_html_e( "Sorry! We can't seem to find that page. But since you're here, check out some of our best deals below.", "retail-pro" ); ?></p>
                    </div>
                    <?php

the_widget( 'WPCoupon_Coupons_Widget', array(
                        'title'=> esc_html__( 'Recent coupons' , 'retail-pro' ),
                        'posts_per_page' => 10
                    ) );

</div>
            </main>
        </div>
    </div> 
    <div class="container">
        <?php
        if ( is_active_sidebar( 'nl-widget' ) ){
            ?>
            <div class="nl-widget">
                <?php dynamic_sidebar( 'nl-widget' );?>
            </div>
            <?php
        }
        ?>
    </div>

<?php get_footer(); ?>