<type 'exceptions.TypeError'>: 'dbus.Struct' object does not support item assignment

Binary package hint: aptdaemon

aptdeamon crashed when trying to install the wuala-repo-installer from http://www.wuala.com/files/wuala-repo-installer_2010-05-26_all.deb trought the ubuntu software center.

jens@morpheus:~$ lsb_release -rd
Description: Ubuntu natty (development branch)
Release: 11.04

jens@morpheus:~$ apt-cache policy aptdaemon
aptdaemon:
  Installed: 0.40+bzr541-0ubuntu2
  Candidate: 0.40+bzr541-0ubuntu2
  Version table:
 *** 0.40+bzr541-0ubuntu2 0
        500 http://be.archive.ubuntu.com/ubuntu/ natty/main amd64 Packages
        100 /var/lib/dpkg/status

ProblemType: Crash
DistroRelease: Ubuntu 11.04
Package: aptdaemon 0.40+bzr541-0ubuntu2
ProcVersionSignature: Ubuntu 2.6.38-1.28-generic 2.6.38-rc2
Uname: Linux 2.6.38-1-generic x86_64
Annotation: Installation of the package file failed
Architecture: amd64
Date: Mon Jan 31 17:54:14 2011
DesktopFile: /usr/share/aptdaemon/aptdaemon.desktop
ExecutablePath: /usr/sbin/aptd
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Release Candidate amd64 (20100928)
PackageArchitecture: all
SourcePackage: aptdaemon
Title: <type 'exceptions.TypeError'>: 'dbus.Struct' object does not support item assignment
TransactionDepends: [[], [], [], [], [], [], []]
TransactionKwargs: {'path': dbus.String(u'/home/jens/Downloads/wuala-repo-installer_2010-05-26_all.deb'), 'force': dbus.Boolean(False)}
TransactionLocale: en_US.UTF8
TransactionPackages: [[], [], [], [], [], []]
TransactionRole: role-install-file