No reason I can see for it - basically all Facebook is doing is
wrapping your blog in an iframe, and all WPBook is doing is forcing a
specific theme when called from within Facebook.
A few quick troubleshooting questions:
- What's the URL of your app inside Facebook
- What's the URL of the blog outside Facebook
- Any pattern to the pages which return "page not found"? (way of
navigating there, type of page, frequency, something else?)
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John Eckman
eckma...@gmail.com
http://www.johneckman.com/