The hub is pretty much useless to me. I get this error more times than not when I access it;especially when I try and access my post history. It happens at home and work. I don't know what web server they use but if it's apache, their error log on the server should be full of these messages. Very easy to check.
I get the timeout sometimes when I post but the post always goes through. I copy and paste into notepad just in case on any post longer than a paragraph.