oneconf-query crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.ServiceUnknown: The name :1.157 was not provided by any .service files

~$ lsb_release --all
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu precise (development branch)
Release: 12.04
Codename: precise
~$ apt-cache policy oneconf
oneconf:
  Installed: 0.2.6.7build1
  Candidate: 0.2.6.7build1
  Version table:
 *** 0.2.6.7build1 0
        500 http://nl.archive.ubuntu.com/ubuntu/ precise/main amd64 Packages
        100 /var/lib/dpkg/status

I was debugging a javascript in firefox. (nothing to do with oneconf)

ProblemType: Crash
DistroRelease: Ubuntu 12.04
Package: oneconf 0.2.6.7build1
ProcVersionSignature: Ubuntu 3.2.0-12.21-generic 3.2.2
Uname: Linux 3.2.0-12-generic x86_64
NonfreeKernelModules: fglrx
ApportVersion: 1.91-0ubuntu1
Architecture: amd64
CrashCounter: 1
Date: Sun Feb 5 13:22:53 2012
EcryptfsInUse: Yes
ExecutablePath: /usr/share/oneconf/oneconf-query
ExecutableTimestamp: 1325299429
InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Alpha amd64 (20111129.1)
InterpreterPath: /usr/bin/python2.7
PackageArchitecture: all
ProcCmdline: /usr/bin/python /usr/bin/oneconf-query --async-update
ProcCwd: /
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/oneconf-query', '--async-update']
SourcePackage: oneconf
Title: oneconf-query crashed with DBusException in call_blocking(): org.freedesktop.DBus.Error.ServiceUnknown: The name :1.157 was not provided by any .service files
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo