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/dramaf/html/facebook5/Facebook.php:139 Stack trace: #0 /home/dramaf/html/fb-login.php(27): Facebook\Facebook->__construct(Array) #1 {main} thrown in /home/dramaf/html/facebook5/Facebook.php on line 139