This bug was fixed in the package byobu - 2.16-0ubuntu2
--------------- byobu (2.16-0ubuntu2) karmic; urgency=low
* debian/postinst: can't assume a group named for the user, LP: #391722
-- Dustin Kirkland <email address hidden> Wed, 24 Jun 2009 12:46:17 -0500
This bug was fixed in the package byobu - 2.16-0ubuntu2
---------------
byobu (2.16-0ubuntu2) karmic; urgency=low
* debian/postinst: can't assume a group named for the user, LP: #391722
-- Dustin Kirkland <email address hidden> Wed, 24 Jun 2009 12:46:17 -0500