[Plugin: Simple Facebook Connect] IE error (Invalid argument)

I’m getting this error on posts with comments by people logged in via Facebook Connect on Internet Explorer 8.

Webpage error details

User Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Timestamp: Tue, 23 Mar 2010 19:33:37 UTC

Message: Invalid argument.
Line: 1
Char: 1
Code: 0
URI: http://farmvillefanatic.com/comment-facebook-account

Any way to fix this?

This post will usually generate it: http://farmvillefanatic.com/comment-facebook-account

Thanks,
Jake

http://ww.wp.xz.cn/extend/plugins/simple-facebook-connect/