Why does it say ‘error on page’ ??

On this website I go to. It now says ‘error on page’ whenever I try to submit a post in the forums.

I can send messages and stuff like that, but not post.

It’s only since there’s been a new lay-out.

It just says ‘error on page’ with a yellow triangle over it, on the bottom left of the webpage. I had no problems b4.

I’m using IE 6.

PLease Help