"Error on Page"

In the bottom left I get this message. It appears to be connected with banners not appearing on a site. Gameknot.com

 

Line: 2

Char: 7

Error: Invalid character

Code:0

URL: http//gameknot.com/amaster.htm?i=0&f=tio_s

 

Any help would be appreciated.

 

Thanks.

 

Using XP IE7