Warning: require_once(waf.php) [function.require-once]: failed to open stream: No such file or directory in F:\home\ftp\d\diwuyiyuan\wwwroot\framework\base.php on line 2

Fatal error: require_once() [function.require]: Failed opening required 'waf.php' (include_path='.;C:\php5\pear') in F:\home\ftp\d\diwuyiyuan\wwwroot\framework\base.php on line 2