Warning: file_get_contents(https://graph.facebook.com/jacopo.yogendra/feed?access_token=701416313237365|d64a1b24d67361b9dd40cf27bd8a2c4b&limit=21): failed to open stream: HTTP request failed! HTTP/1.1 404 Not Found in /web/htdocs/www.jacopoceccarelli.it/home/modules/mod_wdsfacebookwall/helper.php on line 109
It seems that module parameters haven't been configured properly. Please make sure that you are using a valid twitter username, and that you have inserted the correct keys. Detailed instructions are written in the module settings page.