Fatal error: Uncaught Error: Class "app\controllers\RSSFeed" not found in /var/app/current/app/controllers/feed.php:196
Stack trace:
#0 /var/app/current/app/controllers/feed.php(29): app\controllers\feed->loadRssBulider()
#1 /var/app/current/app/core/application.php(49): app\controllers\feed->index()
#2 /var/app/current/public/index.php(67): app\core\application->__construct()
#3 {main}
  thrown in /var/app/current/app/controllers/feed.php on line 196