I absolutely can not stand running into that message. By the time I'm finished browsing the posts and comments on the first page and click the next page link, I run into that error.

Then I click the back button, thinking that will do the trick, and click the next page link. Same error, because I never actually got a refreshed page when I went back.

So then I have to click back again, click refresh, then click the next page, all to go to the next page.

I understand that it may have been intentional, but it really hurts usability.

I sort of find it contradictory that hacker news itself feels a bit clunky, but maybe that's the point. Launch when you have something and eventually you'll know what is needed and what is just an annoyance.