PHP Warning: … Wdfb_AdminPages::publish_post_on_facebook()

Found these in our log, might be of interest to you.

PHP Warning:  Missing argument 3 for Wdfb_AdminPages::publish_post_on_facebook() in /data/www/wp-content/plugins/wpmu-dev-facebook/lib/class_wdfb_admin_pages.php on line 554
PHP Warning: Missing argument 2 for Wdfb_AdminPages::publish_post_on_facebook() in /data/www/wp-content/plugins/wpmu-dev-facebook/lib/class_wdfb_admin_pages.php on line 554
PHP Warning: Missing argument 3 for Wdfb_AdminPages::publish_post_on_facebook() in /data/www/wp-content/plugins/wpmu-dev-facebook/lib/class_wdfb_admin_pages.php on line 554" while reading response header from upstream, client: 240.0.0.1, server: , request: "POST /xmlrpc.php HTTP/1.1", upstream: "fastcgi://unix:/var/run/php-fpm.sock:"