Ht/Dig error on mimedefang list

ht://Dig gripes when you try and do a search from the
mimedefang list page, error is:

ht://Dig error
htsearch detected an error. Please report this to the
webmaster of this site. The error message is:

Unable to read word database file
Did you run htmerge?


Thanks.  This service rocks, even without searching. 
Anything rather than have to deal with mailman archives
;-)

-- Joe

Mimedefang list page on this service is here:
http://www.mail-archive.com/mimedefang%40lists.roaringpenguin.com/