I'm using beta 4 so perhaps the problem will disappear when I update. Here's what's happening:
if I click "vote for it", this pops up:
however once I click the banner, which takes me to the homepage, and I go to "vote for articles", the article is there so it still works out fine.
For me updating is a lot of work as I've edited a lot of the files including html1.php and index.php, but I'll get around to it.