Warning: require_once(phing/types/selectors/SelectorScanner.php): failed to open stream: No such file or directory in D:\Apache2.2\htdocs\safexchange\gulliver\thirdparty\phing\util\DirectoryScanner.php on line 22

Fatal error: require_once(): Failed opening required 'phing/types/selectors/SelectorScanner.php' (include_path='.;C:\php\pear') in D:\Apache2.2\htdocs\safexchange\gulliver\thirdparty\phing\util\DirectoryScanner.php on line 22