closing evolution gives: GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

[Tobiasz Jarczyk]

When I am closing evolution I get the following warning in the terminal:
(evolution:5843): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

Steps to reproduce:
1. Run evolution in terminal.
2. Close evolution.
3. Notice that there is a warning in the terminal:
(evolution:5843): GLib-GObject-CRITICAL **: g_object_unref: assertion 'G_IS_OBJECT (object)' failed

ProblemType: Bug
DistroRelease: Ubuntu 14.04
Package: evolution 3.10.1-2ubuntu2
Uname: Linux 3.13.0-031300rc6-generic x86_64
ApportVersion: 2.12.7-0ubuntu4
Architecture: amd64
CurrentDesktop: GNOME
Date: Fri Jan 3 23:23:04 2014
InstallationDate: Installed on 2013-10-15 (80 days ago)
InstallationMedia: Ubuntu-GNOME 13.10 "Saucy Salamander" - Release amd64 (20131015)
SourcePackage: evolution
UpgradeStatus: Upgraded to trusty on 2013-11-05 (59 days ago)