Fatal error: Uncaught exception 'Facebook\Exceptions\FacebookSDKException' with message 'Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID"' in /home/klient.dhosting.pl/trater/trater.pl/public_html/application/common/Facebook/Facebook.php:139 Stack trace: #0 /home/klient.dhosting.pl/trater/trater.pl/public_html/application/controller/Pages/Home.class.php(44): Facebook\Facebook->__construct(Array) #1 /home/klient.dhosting.pl/trater/trater.pl/public_html/index.php(15): Pages_Home_Controller->qFacebook(Array) #2 {main} thrown in /home/klient.dhosting.pl/trater/trater.pl/public_html/application/common/Facebook/Facebook.php on line 139