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 /media/home1/ciboucom/public_html/s2sf.com/core/library/facebook/Facebook.php:139 Stack trace: #0 /media/home1/ciboucom/public_html/s2sf.com/core/controllers/facebook.php(39): Facebook\Facebook->__construct(Array) #1 /media/home1/ciboucom/public_html/s2sf.com/core/app.php(154): require('/media/home1/ci...') #2 /media/home1/ciboucom/public_html/s2sf.com/index.php(25): require('/media/home1/ci...') #3 {main} thrown in /media/home1/ciboucom/public_html/s2sf.com/core/library/facebook/Facebook.php on line 139