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/ki910283/public_html/wp-content/plugins/photo-video-store/includes/plugins/facebook/src/Facebook/Facebook.php:139 Stack trace: #0 /home/ki910283/public_html/wp-content/plugins/photo-video-store/templates/check_facebook.php(19): Facebook\Facebook->__construct(Array) #1 /home/ki910283/public_html/wp-content/plugins/photo-video-store/templates/index.php(11): require_once('/home/ki910283/...') #2 /home/ki910283/public_html/wp-content/themes/pvs-theproject/pvs.php(24): require_once('/home/ki910283/...') #3 /home/ki910283/public_html/wp-includes/template-loader.php(106): include('/home/ki910283/...') #4 /home/ki910283/public_html/wp-blog-header.php(19): require_once('/home/ki910283/...') #5 /home/ki910283/public_html/index.php(17): require('/home/ki910283/...') #6 {main} thrown in /home/ki910283/public_html/wp-content/plugins/photo-video-store/includes/plugins/facebook/src/Facebook/Facebook.php on line 139