package man-db 2.5.7-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1

[Erik B. Andersen]

Binary package hint: man-db

I started the maverick daily image and started the (new) installer. I did tell it to update the new system, but I am not sure if that is relevant. Then the apport icon appeared and said the package failed to upgrade.
ubuntu@ubuntu:~$ lsb_release -rd&&apt-cache policy man-db
Description: Ubuntu maverick (development branch)
Release: 10.10
man-db:
  Installed: 2.5.7-4
  Candidate: 2.5.7-4
  Version table:
 *** 2.5.7-4 0
        500 http://archive.ubuntu.com/ubuntu/ maverick/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Package
DistroRelease: Ubuntu 10.10
Package: man-db 2.5.7-4
ProcVersionSignature: Ubuntu 2.6.35-19.28-generic 2.6.35.3
Uname: Linux 2.6.35-19-generic x86_64
Architecture: amd64
Date: Tue Sep 7 05:21:14 2010
ErrorMessage: subprocess installed post-installation script returned error exit status 1
LiveMediaBuild: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100906)
SourcePackage: man-db
Title: package man-db 2.5.7-4 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1