After updating to WP 3.8, I get this PHP error:
Notice: admin-functions.php is deprecated since version 2.5! Use wp-admin/includes/admin.php instead. in /hsphere/local/home/123456/example.com/wp-includes/functions.php on line 2955 Notice: Undefined index: action in /hsphere/local/home/123456/example.com/wp-content/plugins/lock-out/lock-out.php on line 22 Notice: Undefined index: page in /hsphere/local/home/123456/example.com/wp-content/plugins/lock-out/lock-out.php on line 26