Posting in the threads and sending a pm to the moderators is currently down. When I try, I get the following error message. Posting this here in the hope that someone can contact them directly to let them know.
Argument 2 passed to Gdn_Cache::makeKey() must be of the type array, null given, called in /var/www/frontend-b755a7995be475/library/core/class.memcached.php on line 443
TR