note 90401 added to function.require-once

Warning: require_once(classes/include.all.php) [function.require-once]: failed to open stream: No such file or directory in C:\wamp\www\rating-example.php on line 2 Fatal error: require_once() [function.require]: Failed opening required 'classes/include.all.php' (include_path='.;C:\php5\pear') in C:\wamp\www\rating-example.php on line 2 i am trying to build a rating system but the following error comes up does anyone here can explain in the datails what should I do to eliminate this error. PS: I am using Wamp server by the way ---- Server IP: 64.71.164.2 Probable Submitter: 68.199.111.171 ---- Manual Page -- http://www.php.net/manual/en/function.require-once.php Edit -- https://master.php.net/note/edit/90401 Del: integrated -- https://master.php.net/note/delete/90401/integrated Del: useless -- https://master.php.net/note/delete/90401/useless Del: bad code -- https://master.php.net/note/delete/90401/bad+code Del: spam -- https://master.php.net/note/delete/90401/spam Del: non-english -- https://master.php.net/note/delete/90401/non-english Del: in docs -- https://master.php.net/note/delete/90401/in+docs Del: other reasons-- https://master.php.net/note/delete/90401 Reject -- https://master.php.net/note/reject/90401 Search -- https://master.php.net/manage/user-notes.php