Fatal error: Class 'JFeedItem'

Hello dear Team,

There is a problem with this class JFeedItem

				// Assign to feed item

				$item	= new JFeedItem();

PHP Fatal error: Class 'JFeedItem' not found in C:\wamp\www\components\com_komento\views\rss\view.feed.php on line 178

Env : php5.6
apache 2.4
windows server


Thank you
Best Regards
Mel

PS : I'm connected with my account, my subscription is active, but I can't download the pro version 2.0.6