oneconf-query crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.DBus.Error.ServiceUnknown: The name :1.121 was not provided by any .service files

after update

ProblemType: Crash
DistroRelease: Ubuntu 13.04
Package: oneconf 0.3.3
ProcVersionSignature: Ubuntu 3.8.0-2.6-generic 3.8.0-rc4
Uname: Linux 3.8.0-2-generic x86_64
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
CrashCounter: 1
Date: Sat Jan 26 19:01:13 2013
DbusErrorAnalysis: no service file providing :1.121
ExecutablePath: /usr/share/oneconf/oneconf-query
InstallationDate: Installed on 2013-01-19 (6 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130118)
InterpreterPath: /usr/bin/python3.3
MarkForUpload: True
PackageArchitecture: all
ProcCmdline: /usr/bin/python3.3 /usr/bin/oneconf-query --async-update
ProcEnviron:
 LANGUAGE=fr:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
PythonArgs: ['/usr/bin/oneconf-query', '--async-update']
SourcePackage: oneconf
Title: oneconf-query crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.DBus.Error.ServiceUnknown: The name :1.121 was not provided by any .service files
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo