[bug/error] Can't add rep to random posts (AJAX Error)

[LosOjos]

Sometimes, when I try to add rep to posts nothing happens. This happened today and I happened to have Chrome's inspector open so noticed vbulletin is throwing an AJAX error for unknown post, however the post number matches that given by the permalink:

 

 

http://www.edugeek.net/forums/hardware/154511-home-automation.html#post1324518

[Arreks]

Hm, adding rep to that post works for me with no errors.