Warning: require_once(bbs/source/class/class_core.php) [function.require-once]: failed to open stream: No such file or directory in D:\wwwroot\csyuwang\wwwroot\comment.php on line 3

Fatal error: require_once() [function.require]: Failed opening required 'bbs/source/class/class_core.php' (include_path='.;C:\php5\pear') in D:\wwwroot\csyuwang\wwwroot\comment.php on line 3