Warning: require_once(/sites/storage/vendor/composer/autoload_real.php): failed to open stream: No such file or directory in /sites/storage/vendor/autoload.php on line 23

Fatal error: require_once(): Failed opening required '/sites/storage/vendor/composer/autoload_real.php' (include_path='.::/usr/share/php/php:/usr/share/pear:/usr/share/php') in /sites/storage/vendor/autoload.php on line 23