Fatal error: Uncaught Error: Call to undefined function is_mobile() in /home/digit233/public_html/wp-content/plugins/yogg-online/yogg-online.php:454 Stack trace: #0 /home/digit233/public_html/wp-includes/class-wp-hook.php(287): ygo_custom_menu_item('<li class="menu...', Object(stdClass)) #1 /home/digit233/public_html/wp-includes/plugin.php(206): WP_Hook->apply_filters('<li class="menu...', Array) #2 /home/digit233/public_html/wp-includes/nav-menu-template.php(259): apply_filters('wp_nav_menu_ite...', '<li class="menu...', Object(stdClass)) #3 /home/digit233/public_html/wp-content/plugins/elementor-pro/modules/nav-menu/widgets/nav-menu.php(1077): wp_nav_menu(Object(stdClass)) #4 /home/digit233/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(531): ElementorPro\Modules\NavMenu\Widgets\Nav_Menu->render() #5 /home/digit233/public_html/wp-content/plugins/elementor/includes/base/widget-base.php(661): Elementor\Widget_Base->render_content() #6 /home/digit233/public_html/wp-content/plugins/elementor/includes in /home/digit233/public_html/wp-content/plugins/yogg-online/yogg-online.php on line 454