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 /www/wwwroot/fenlei.361site.com/api/login/facebook/src/Facebook.php:139 Stack trace: #0 /www/wwwroot/fenlei.361site.com/api/login/facebook/facebook.php(83): Facebook\Facebook->__construct(Array) #1 /www/wwwroot/fenlei.361site.com/api/login.php(105): Loginfacebook->login(Array) #2 {main} thrown in /www/wwwroot/fenlei.361site.com/api/login/facebook/src/Facebook.php on line 139