Fatal error: Uncaught exception 'Facebook\Exceptions\FacebookAuthenticationException' with message 'Error validating application. Application has been deleted.' in /web/htdocs/www.altrapino.it/home/facebook-sdk/Exceptions/FacebookResponseException.php:100 Stack trace: #0 /web/htdocs/www.altrapino.it/home/facebook-sdk/FacebookResponse.php(210): Facebook\Exceptions\FacebookResponseException::create(Object(Facebook\FacebookResponse)) #1 /web/htdocs/www.altrapino.it/home/facebook-sdk/FacebookResponse.php(255): Facebook\FacebookResponse->makeException() #2 /web/htdocs/www.altrapino.it/home/facebook-sdk/FacebookResponse.php(82): Facebook\FacebookResponse->decodeBody() #3 /web/htdocs/www.altrapino.it/home/facebook-sdk/FacebookClient.php(225): Facebook\FacebookResponse->__construct(Object(Facebook\FacebookRequest), '{"error":{"mess...', 400, Array) #4 /web/htdocs/www.altrapino.it/home/index.php(27): Facebook\FacebookClient->sendRequest(Object(Facebook\FacebookRequest)) #5 {main} Next exception 'Facebook\Exceptions\FacebookRespon in /web/htdocs/www.altrapino.it/home/facebook-sdk/Exceptions/FacebookResponseException.php on line 100