调试报的错

Warning: include_once() [function.include]: Failed opening 'inc/auth.php' for inclusion (include_path='C:\Program Files\Zend\ZendStudio-5.5.0\bin\ZendFramework\library') in C:\Documents and Settings\Administrator\My Documents\OA\kyxm_manage\delete_all.php on line 2

Warning: include_once() [function.include]: Failed opening 'inc/utility_all.php' for inclusion (include_path='C:\Program Files\Zend\ZendStudio-5.5.0\bin\ZendFramework\library') in C:\Documents and Settings\Administrator\My Documents\OA\kyxm_manage\delete_all.php on line 3

Warning: Cannot modify header information - headers already sent by (output started at C:\Documents and Settings\Administrator\My Documents\OA\kyxm_manage\delete_all.php:2) in C:\Documents and Settings\Administrator\My Documents\OA\kyxm_manage\delete_all.php on line 27


这是怎么会事啊？？？

打开inc/auth.php文件夹和inc/utility_all.php文件失败
请确认这二个文件是否存在。