Warning: require_once(//../protected/vendor/PaypalVendor/autoload.php) [function.require-once]: failed to open stream: No such file or directory in /index.php on line 10

Fatal error: require_once() [function.require]: Failed opening required '//../protected/vendor/PaypalVendor/autoload.php' (include_path='.:/:/usr/local/php5/lib/pear') in /index.php on line 10