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 /www/htdocs/w00d2136/_v4/lib/Facebook/Facebook.php:133 Stack trace: #0 /www/htdocs/w00d2136/_v4/inc/parts/facebook.init.php(8): Facebook\Facebook->__construct(Array) #1 /www/htdocs/w00d2136/_v4/inc/parts/master.inc.php(58): require('/www/htdocs/w00...') #2 /www/htdocs/w00d2136/_v4/index.php(7): require('/www/htdocs/w00...') #3 {main} thrown in /www/htdocs/w00d2136/_v4/lib/Facebook/Facebook.php on line 133