[gentoo-user] strange error when doing emerge @preserved-rebuild

Hi.  When I am trying to do an emerge @preserved-rebuild after an
upgrade, I just get the following:

These are the packages that would be merged, in reverse order:

Calculating dependencies... done!

emerge: there are no ebuilds to satisfy "kde-base/arts:3.5".

I tried a -t, but it didn't give me anything.  How can I tell what is
happening here?

Thanks in advance for any ideas.

-- 
Your life is like a penny.  You're going to lose it.  The question is:
How do
you spend it?

         John Covici
         covici@××××××××××.com