"Mark Forums Read" bug

[Zerobanshee]

Whenever I attempt to click on the link near the bottom of the home page, "Mark Forums Read" to slim down the new post count, I get this message.

"Your submission could not be processed because a security token was invalid.

If this occurred unexpectedly, please inform the administrator and describe the action you performed before you received this error."

Not sure if it's my web browser (using Opera), or the site. I'll try Mozilla or IE and edit this post, just wanted to give a heads up.

EDIT: Firefox works. It is most likely my web browser/