Warning: require_once(//libraries/joomla/import.php) [function.require-once]: failed to open stream: No such file or directory in /includes/framework.php on line 149

Fatal error: require_once() [function.require]: Failed opening required '//libraries/joomla/import.php' (include_path='.:/:/usr/local/php/pear5') in /includes/framework.php on line 149