Fatal error: Uncaught Error: Class "WP_Customize_Setting" not found in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\customize\class-wp-customize-nav-menu-item-setting.php:20 Stack trace: #0 {main} thrown in D:\XAMPP\htdocs\UTeM\penerbit\wp-includes\customize\class-wp-customize-nav-menu-item-setting.php on line 20