Fatal error: Uncaught Error: Call to undefined function is_iterable() in /var/www/web23338549/html/wp-content/themes/betheme/functions/theme-head.php:422 Stack trace: #0 /var/www/web23338549/html/wp-includes/class-wp-hook.php(298): mfn_styles('') #1 /var/www/web23338549/html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #2 /var/www/web23338549/html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #3 /var/www/web23338549/html/wp-includes/script-loader.php(1300): do_action('wp_enqueue_scri...') #4 /var/www/web23338549/html/wp-includes/class-wp-hook.php(298): wp_enqueue_scripts('') #5 /var/www/web23338549/html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #6 /var/www/web23338549/html/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #7 /var/www/web23338549/html/wp-includes/general-template.php(2589): do_action('wp_head') #8 /var/www/web23338549/html/wp-content/themes/betheme/header.php(21): wp_head() #9 /var/www/web23338549/html/wp-includes/template.php(688): req in /var/www/web23338549/html/wp-content/themes/betheme/functions/theme-head.php on line 422