[SIMPLE FACEBOOK CONNECT] Connection Problem, can't setup

hi all,

i try to connect to my fb app, a add all data in admin panel, and get NO errors…

But i cant post comments ans/or login with fb data..

The windows redirect to this url

http://www.facebook.com/developers/login_error.php?app_id=180890945286473&connect=1&type=connect

Here the site

http://herzklopfen24.eu/facebook-test.html

Thanks for help!