PHP 错误提示

HTTP/1.1 200 OK
Server: nginx
Date: Thu, 20 Jun 2013 03:06:10 GMT
Content-Type: text/html; charset=utf-8
Connection: close
Vary: Accept-Encoding
Content-Length: 447

String could not be parsed as XML_rare_shutdown_err:Array
(
    [type] => 2
    [message] => print_r(): Node no longer exists
    [file] => /xxx.php
    [line] => 85
)

String could not be parsed as XML_rare_shutdown_err:Array表明的时XML文件出现了错误，

经过查找确实发现XML文件出现了错误。