We're aware of the issue and are working to solve it asap.
In the meantime, please refresh the page before posting.
Sorry for the inconvenience.
I got the same thing. No worries though, do what you do. Hell, I got it posting this comment.
I tried to upvote and the button was unresponsive yesterday, I just refreshed the page and it worked fine.
We were working on live poal without taking it down, so you probably voted when we were updating and restarting stuff.
If a vote takes more than a few milli-seconds to register, it's probably the connection that is laggy or it's our fault. Pick one :)
I'd argue that a more helpful error message would be something like, "Error: User has exceeded posting threshold."
(post is archived)