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/vhosts/lnn/plugins/facebook/src/Facebook/Facebook.php:139 Stack trace: #0 /home/vhosts/lnn/plugins/facebook/FacebookApi.php(446): Facebook\Facebook->__construct(Array) #1 /home/vhosts/lnn/plugins/facebook/FacebookUserApi.php(193): FacebookApi->getFacebook() #2 /home/vhosts/lnn/plugins/facebook/FacebookUserApi.php(23): FacebookUserApi->getLoginUrl('https://www.til...') #3 /home/vhosts/lnn/components/facebook/facebook.php(67): FacebookUserApi->login('https://www.til...') #4 /home/vhosts/lnn/framework/component.php(94): component_facebook->action_login(Array) #5 /home/vhosts/lnn/framework/framework.php(302): Component->action('login', Array, Array) #6 /home/vhosts/lnn/public_html/index.php(43): Framework->run() #7 {main} thrown in /home/vhosts/lnn/plugins/facebook/src/Facebook/Facebook.php on line 139