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/derasooq/public_html/system/library/so_social/Facebook/Facebook.php:139 Stack trace: #0 /home/derasooq/public_html/system/library/fblog.php(59): Facebook\Facebook->__construct(Array) #1 /home/derasooq/public_html/catalog/controller/extension/module/social_login.php(40): Fblog->FbLogin() #2 /home/derasooq/storage/modification/system/engine/action.php(79): ControllerExtensionModuleSocialLogin->index(Array) #3 /home/derasooq/storage/modification/system/engine/loader.php(48): Action->execute(Object(Registry), Array) #4 /home/derasooq/storage/modification/catalog/controller/account/register.php(266): Loader->controller('extension/modul...') #5 /home/derasooq/storage/modification/system/engine/action.php(79): ControllerAccountRegister->index() #6 /home/derasooq/storage/modification/catalog/controller/startup/router.php(38): Action->execute(Object in /home/derasooq/public_html/system/library/so_social/Facebook/Facebook.php on line 139