I also did a fresh install of SME 6.0 and had this error come up. Guesty's (see below) post is what saved me.
Another SME problem solved by CONTRIBS.ORG. Thanks again Guesty!
Chris Curtis
Posted: 10 Apr 2004 07:28 Post subject:
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This is what fixed it:
/sbin/e-smith/config setprop horde DbPassword <password> dont include the < >
then type:
/sbin/e-smith/signal-event post-upgrade
wait a few minutes while it's working then type:
/sbin/e-smith/signal-event reboot
Worked perfect for me as described by Michael Soulier at post
http://forums.contribs.org/index.php?topic=20210.0