Fatal error: Uncaught exception 'Facebook\FacebookSDKException' with message 'You must provide or set a default application id.' in /web/htdocs/www.reteradioazzurra.it/home/php/social_login/auth/platforms/facebook-app/Facebook/FacebookSession.php:320 Stack trace: #0 /web/htdocs/www.reteradioazzurra.it/home/php/social_login/auth/platforms/facebook-app/Facebook/FacebookRedirectLoginHelper.php(75): Facebook\FacebookSession::_getTargetAppId(NULL) #1 /web/htdocs/www.reteradioazzurra.it/home/php/social_login/auth/platforms/facebook-app/facebook.php(31): Facebook\FacebookRedirectLoginHelper->__construct('https://www.ret...') #2 {main} thrown in /web/htdocs/www.reteradioazzurra.it/home/php/social_login/auth/platforms/facebook-app/Facebook/FacebookSession.php on line 320