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 /srv/users/serverpilot/apps/99stockphoto/public/wp-content/plugins/photo-video-store/includes/plugins/facebook/src/Facebook/Facebook.php:139 Stack trace: #0 /srv/users/serverpilot/apps/99stockphoto/public/wp-content/plugins/photo-video-store/templates/check_facebook.php(19): Facebook\Facebook->__construct(Array) #1 /srv/users/serverpilot/apps/99stockphoto/public/wp-content/plugins/photo-video-store/templates/index.php(11): require_once('/srv/users/serv...') #2 /srv/users/serverpilot/apps/99stockphoto/public/wp-content/themes/pvs-shopisle/pvs.php(14): require_once('/srv/users/serv...') #3 /srv/users/serverpilot/apps/99stockphoto/public/wp-includes/template-loader.php(74): include('/srv/users/serv...') #4 /srv/users/serverpilot/apps/99stockphoto/public/wp-blog-header.php(19): require_once('/srv/users/serv...') #5 /srv/users/serverpilot/apps/99stock in /srv/users/serverpilot/apps/99stockphoto/public/wp-content/plugins/photo-video-store/includes/plugins/facebook/src/Facebook/Facebook.php on line 139