Sample Page of Owlnuts

Fatal error: Uncaught Error: Class "Elementor\Plugin" not found in /home/owlnutsco88/public_html/wp-content/themes/phox/includes/helpers.php:157 Stack trace: #0 /home/owlnutsco88/public_html/wp-content/themes/phox/includes/core/Wdes_Header.php(765): Phox\helpers::get_builder_content_for_display(1792) #1 /home/owlnutsco88/public_html/wp-includes/class-wp-hook.php(324): Phox\core\Wdes_Header->get_header_template('') #2 /home/owlnutsco88/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #3 /home/owlnutsco88/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #4 /home/owlnutsco88/public_html/wp-content/themes/phox/header.php(79): do_action('wdes_header_aft...') #5 /home/owlnutsco88/public_html/wp-includes/template.php(810): require_once('/home/owlnutsco...') #6 /home/owlnutsco88/public_html/wp-includes/template.php(745): load_template('/home/owlnutsco...', true, Array) #7 /home/owlnutsco88/public_html/wp-includes/general-template.php(48): locate_template(Array, true, true, Array) #8 /home/owlnutsco88/public_html/wp-content/themes/phox/page.php(1): get_header() #9 /home/owlnutsco88/public_html/wp-includes/template-loader.php(106): include('/home/owlnutsco...') #10 /home/owlnutsco88/public_html/wp-blog-header.php(19): require_once('/home/owlnutsco...') #11 /home/owlnutsco88/public_html/index.php(17): require('/home/owlnutsco...') #12 {main} thrown in /home/owlnutsco88/public_html/wp-content/themes/phox/includes/helpers.php on line 157