gnome-language-selector crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.Accounts.Error.PermissionDenied: Not authorized

[Sora Célestinia]

gnome-language-selector has been crashed when I tried to change regional format language (currency, date, numbers...).

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: language-selector-gnome 0.165.1
ProcVersionSignature: Ubuntu 4.4.0-22.39-generic 4.4.8
Uname: Linux 4.4.0-22-generic x86_64
ApportVersion: 2.20.1-0ubuntu2
Architecture: amd64
CrashCounter: 1
CurrentDesktop: MATE
Date: Sun May 15 12:07:26 2016
ExecutablePath: /usr/bin/gnome-language-selector
InstallationDate: Installed on 2016-05-14 (0 days ago)
InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1)
InterpreterPath: /usr/bin/python3.5
PackageArchitecture: all
ProcCmdline: /usr/bin/python3 /usr/bin/gnome-language-selector
PythonArgs: ['/usr/bin/gnome-language-selector']
SourcePackage: language-selector
Title: gnome-language-selector crashed with dbus.exceptions.DBusException in call_blocking(): org.freedesktop.Accounts.Error.PermissionDenied: Not authorized
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

This crash has the same stack trace characteristics as bug #1029703. However, the latter was already fixed in an earlier package version than the one in this report. This might be a regression or because the problem is in a dependent package.

[Launchpad Janitor (janitor)]

Status changed to 'Confirmed' because the bug affects multiple users.