Okay, an upgrade to GAP4r3 did the trick.
Sorry for the needless post.

John Huesman

----- Original Message -----
From: "J.F. Huesman" <qphysics@yahoo.com>
To: "Multiple recipients of list" <GAP-Forum@dcs.st-and.ac.uk>
Sent: Saturday, May 03, 2003 22:08
Subject: Re: Re: Crystal lattice and cohomology

> Fellow GAP Forum members,
> I want to thank Franz Gähler and Derek Holt for their help with my problem
> of calculating the cohomology of a crystal.
> I am, sadly, still having a problem...and I am not sure what it is. This
is
> now more of a troubleshooting problem, so I'm not sure if this is the
proper
> place to ask.
[remainder of needless posting snipped...]