Edit file File name : admin-functions.php Content :<?php /** * Administration Functions * * This file is deprecated, use 'wp-admin/includes/admin.php' instead. * * @deprecated 2.5.0 * @package WordPress * @subpackage Administration */ _deprecated_file( basename( __FILE__ ), '2.5.0', 'wp-admin/includes/admin.php' ); /** WordPress Administration API: Includes all Administration functions. */ require_once ABSPATH . 'wp-admin/includes/admin.php'; Save