Fatal error: Uncaught Error: Call to undefined method YITH_WC_Audio_Video::product_has_video() in /home/www/klassefilm.dk/wp-content/themes/klassefilm-tema/functions.php:58 Stack trace: #0 /home/www/klassefilm.dk/wp-includes/class-wp-hook.php(286): ywcfav_add_custom_class('') #1 /home/www/klassefilm.dk/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #2 /home/www/klassefilm.dk/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #3 /home/www/klassefilm.dk/wp-includes/script-loader.php(2537): do_action('wp_enqueue_scri...') #4 /home/www/klassefilm.dk/wp-includes/class-wp-hook.php(286): wp_enqueue_scripts('') #5 /home/www/klassefilm.dk/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #6 /home/www/klassefilm.dk/wp-includes/plugin.php(465): WP_Hook->do_action(Array) #7 /home/www/klassefilm.dk/wp-includes/general-template.php(2745): do_action('wp_head') #8 /home/www/klassefilm.dk/wp-content/themes/klassefilm-tema/header.php(33): wp_head() #9 /home/www/klassefilm.dk/wp-includes/te in /home/www/klassefilm.dk/wp-content/themes/klassefilm-tema/functions.php on line 58