[SOLVED] Page preview Permisssion to view Drafts Denied

When I create a new post and attempt to view that post I receive this error message:

You do not have permission to preview drafts.

The url of the message is

http://www.bfmcmillen.com/?p=598&pre...nce=81ba3e4e6b

If I eliminate

&preview_id=598&preview_nonce=81ba3e4e6b

I can preview. But something is getting in the way of that preview. Can anyone help with this?

Using Wordpress 2.8 - no responses from that forum - with Atahuala 3.4

Thanks.