Warning: require_once(./portal.php) [function.require-once]: failed to open stream: No such file or directory in D:\wwwroot\y7280\wwwroot\responsibility\index.php on line 6

Fatal error: require_once() [function.require]: Failed opening required './portal.php' (include_path='.;C:\php5\pear') in D:\wwwroot\y7280\wwwroot\responsibility\index.php on line 6