Warning: main(__DIR__/vendor/autoload.php) [function.main]: failed to open stream: No such file or directory in /home/consosur/www/index.php on line 3

Fatal error: main() [function.require]: Failed opening required '__DIR__/vendor/autoload.php' (include_path='.:/usr/local/lib/php') in /home/consosur/www/index.php on line 3