7.0.0 idx installation note and query about an error message.

Hello.

  I'm creating a test server for ezmlm-idx 7.0.0
and importing lists and configuration files from
a 4.0 idx server.

As feedback for the install, my ./ezmlm-test failed with
ezmlm-archive:        OK
ezmlm-dispatch:       OK
dispatch editor:      ezmlm-make: fatal: unable to stat 
/usr/local/src/ezmlm-idx-7.0.0/lang/default: file does not exist
envelope for post1 has wrong sender

so I did

  ln -s /usr/local/src/ezmlm-idx-7.0.0/lang/en_US 
/usr/local/src/ezmlm-idx-7.0.0/lang/default

and it tested fine the next time. Maybe there's am
improvement for the installation instructions possible
(or maybe I missed something?) I'm installing to FreeBSD
by the INSTALL.idx procedure.

If I retain my old ezmlmrc files, and
drop my lists directory into the
proper location,

ezmlm-make -+ ~alias/lists/somelist

on some lists show:
ezmlm-make: warning: ezmlmrc version mismatch. Behavior may not match docs.
ezmlm-make: fatal: creating subscriber tables failed: No such file or 
directory

I'm not sure what the fatal error is telling me, and
what I should do about it. I'm not running any
RDBM.

Thanks if someone can explain the subscriber tables error.

cheers
John