unity-control-center crashed with SIGSEGV in _gtk_widget_get_toplevel()

[kklepack]

System produced the error when I was changing theme to Radiance on Dell Latitude E7440

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: unity-control-center 15.04.0+16.04.20160209-0ubuntu1
ProcVersionSignature: Ubuntu 4.4.0-4.19-generic 4.4.1
Uname: Linux 4.4.0-4-generic x86_64
ApportVersion: 2.19.4-0ubuntu2
Architecture: amd64
CurrentDesktop: Unity
Date: Thu Feb 11 21:25:00 2016
ExecutablePath: /usr/bin/unity-control-center
InstallationDate: Installed on 2016-02-12 (0 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160211)
ProcCmdline: unity-control-center --overview
ProcEnviron:
 PATH=(custom, no user)
 SHELL=/bin/bash
 LANG=en_US.UTF-8
 LANGUAGE=en_US
 XDG_RUNTIME_DIR=<set>
SegvAnalysis:
 Segfault happened at: 0x7f9cfdc69df7 <gtk_widget_get_scale_factor+119>: mov 0xc0(%rdx),%rax
 PC (0x7f9cfdc69df7) ok
 source "0xc0(%rdx)" (0x000000c0) not located in a known VMA region (needed readable region)!
 destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-control-center
StacktraceTop:
 gtk_widget_get_scale_factor () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0
 g_closure_invoke () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
Title: unity-control-center crashed with SIGSEGV in gtk_widget_get_scale_factor()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 _gtk_widget_get_toplevel (widget=0x157c860) at /build/gtk+3.0-hryEEv/gtk+3.0-3.18.7/./gtk/gtkwidgetprivate.h:364
 gtk_widget_get_scale_factor (widget=<optimized out>) at /build/gtk+3.0-hryEEv/gtk+3.0-3.18.7/./gtk/gtkwidget.c:10774
 gtk_css_widget_node_get_style_provider (node=0x175e680) at /build/gtk+3.0-hryEEv/gtk+3.0-3.18.7/./gtk/gtkcsswidgetnode.c:244
 gtk_css_node_get_style_provider_or_null (cssnode=0x175e680) at /build/gtk+3.0-hryEEv/gtk+3.0-3.18.7/./gtk/gtkcssnode.c:60
 gtk_css_node_invalidate_style_provider (cssnode=<optimized out>) at /build/gtk+3.0-hryEEv/gtk+3.0-3.18.7/./gtk/gtkcssnode.c:1196

[Launchpad Janitor (janitor)]

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

[jowfdoijdfdwfwdf (dsfkljo322332)]

unity-control-center:
  Installed: 15.04.0+16.04.20170214-0ubuntu1

$ unity-control-center
(unity-control-center:29618): GLib-CRITICAL **: g_strsplit: assertion 'string != NULL' failed
Segmentation fault (core dumped)