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/u807846653/domains/learntodayred.com/public_html/extensions/vendor/facebook/graph-sdk/src/Facebook/Facebook.php:139 Stack trace: #0 /home/u807846653/domains/learntodayred.com/public_html/controllers/users.controller.php(420): Facebook\Facebook->__construct() #1 /home/u807846653/domains/learntodayred.com/public_html/views/template.php(81): UsersController::socialConnect() #2 /home/u807846653/domains/learntodayred.com/public_html/controllers/template.controller.php(19): include('/home/u80784665...') #3 /home/u807846653/domains/learntodayred.com/public_html/index.php(22): TemplateController->index() #4 {main} thrown in /home/u807846653/domains/learntodayred.com/public_html/extensions/vendor/facebook/graph-sdk/src/Facebook/Facebook.php on line 139