Fatal error: Uncaught Facebook\Exceptions\FacebookSDKException: Required "app_id" key not supplied in config and could not find fallback environment variable "FACEBOOK_APP_ID" in /home/u533276514/domains/seo.aidthestudent.com/public_html/core/library/facebook/Facebook.php:139 Stack trace: #0 /home/u533276514/domains/seo.aidthestudent.com/public_html/core/controllers/facebook.php(38): Facebook\Facebook->__construct(Array) #1 /home/u533276514/domains/seo.aidthestudent.com/public_html/core/app.php(154): require('/home/u53327651...') #2 /home/u533276514/domains/seo.aidthestudent.com/public_html/index.php(27): require('/home/u53327651...') #3 {main} thrown in /home/u533276514/domains/seo.aidthestudent.com/public_html/core/library/facebook/Facebook.php on line 139