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/crosp207/exchanger.rubisoft.co/modules/user/Facebook/Facebook.php:133 Stack trace: #0 /home/crosp207/exchanger.rubisoft.co/modules/user/social.php(107): Facebook\Facebook->__construct(Array) #1 /home/crosp207/exchanger.rubisoft.co/index.php(47): Social->action_fblogin() #2 {main} thrown in /home/crosp207/exchanger.rubisoft.co/modules/user/Facebook/Facebook.php on line 133