Goolge Sitemaps, er, WebMaster Tools – Odd Behavior

Google Webmaster Tools tells me:
http://www.daviddalka.com/createvalue
Indexing summary
Pages from your site are included in Google’s index.    [?]
Googlebot last successfully accessed your home page on Sep 24, 2006 .
Potential indexing problems:
We do not know about all the pages of your site. You can submit a Sitemap to tell us more about your site.
————————————————————————————————————-
One problem, I already did that! Hey Matt Cutts/Vanessa Fox, if I already have an active Google Sitemap, er Webmaster Tool, how can you not know about all the pages of the site and give me an inaccurate message???