Warning: require_once(JPATH_LIBRARIES/import.legacy.php) [function.require-once]: failed to open stream: No such file or directory in /includes/framework.php on line 27

Fatal error: require_once() [function.require]: Failed opening required 'JPATH_LIBRARIES/import.legacy.php' (include_path='.:/:/usr/local/php/pear5') in /includes/framework.php on line 27