public function init() {

    if ( ! class_exists( 'WooCommerce' ) ) {
        return;
    }

    add_action( 'wp_footer', function () {

        if ( current_user_can( 'manage_options' ) ) {

            echo '<!-- DiSaan Smart Filters Loaded -->';

        }

    });

}<br />
<b>Fatal error</b>:  Uncaught Error: Class &quot;DSF_Loader&quot; not found in /home/axiuyeey/public_html/wp-content/plugins/disaan-smart-filters/disaan-smart-filters.php:23
Stack trace:
#0 /home/axiuyeey/public_html/wp-settings.php(589): include_once()
#1 /home/axiuyeey/public_html/wp-config.php(106): require_once('/home/axiuyeey/...')
#2 /home/axiuyeey/public_html/wp-load.php(50): require_once('/home/axiuyeey/...')
#3 /home/axiuyeey/public_html/wp-blog-header.php(13): require_once('/home/axiuyeey/...')
#4 /home/axiuyeey/public_html/index.php(17): require('/home/axiuyeey/...')
#5 {main}
  thrown in <b>/home/axiuyeey/public_html/wp-content/plugins/disaan-smart-filters/disaan-smart-filters.php</b> on line <b>23</b><br />