Application: systemsettings5 (5.5.5)

Qt Version: 5.5.1
Operating System: Linux 4.1.31-30-default x86_64
Distribution: "openSUSE Leap 42.1 (x86_64)"

-- Information about the crash:
- What I was doing when the application crashed:

Just starting the sesign setting from "Systemeinstellungen"
Tried it several times, alway shows the next screnn and the crashes.
Other Parts like "Arbeitsflächen-Verhalten" or "Farbe" (Colors) are working.

The crash can be reproduced every time.

-- Backtrace:
Application: Systemeinstellungen (systemsettings5), signal: Aborted
Using host libthread_db library "/lib64/libthread_db.so.1".
[Current thread is 1 (Thread 0x7f72edf19780 (LWP 24775))]

Thread 3 (Thread 0x7f72c9122700 (LWP 24788)):
#0  0x00007f72e9c6ebfd in poll () at /lib64/libc.so.6
#1  0x00007f72e5cb0e64 in  () at /usr/lib64/libglib-2.0.so.0
#2  0x00007f72e5cb0f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#3  0x00007f72ea59bd8b in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#4  0x00007f72ea542d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#5  0x00007f72ea36461a in QThread::exec() () at /usr/lib64/libQt5Core.so.5
#6  0x00007f72e88e4e18 in  () at /usr/lib64/libQt5Qml.so.5
#7  0x00007f72ea36932f in  () at /usr/lib64/libQt5Core.so.5
#8  0x00007f72e61cd0a4 in start_thread () at /lib64/libpthread.so.0
#9  0x00007f72e9c7702d in clone () at /lib64/libc.so.6

Thread 2 (Thread 0x7f72dadc7700 (LWP 24776)):
#0  0x00007f72e9c6ebfd in poll () at /lib64/libc.so.6
#1  0x00007f72e6a43422 in  () at /usr/lib64/libxcb.so.1
#2  0x00007f72e6a4500f in xcb_wait_for_event () at /usr/lib64/libxcb.so.1
#3  0x00007f72dd74e3c9 in  () at /usr/lib64/libQt5XcbQpa.so.5
#4  0x00007f72ea36932f in  () at /usr/lib64/libQt5Core.so.5
#5  0x00007f72e61cd0a4 in start_thread () at /lib64/libpthread.so.0
#6  0x00007f72e9c7702d in clone () at /lib64/libc.so.6

Thread 1 (Thread 0x7f72edf19780 (LWP 24775)):
[KCrash Handler]
#6  0x00007f72e9bc70c7 in raise () at /lib64/libc.so.6
#7  0x00007f72e9bc8478 in abort () at /lib64/libc.so.6
#8  0x00007f72ea3577ce in  () at /usr/lib64/libQt5Core.so.5
#9  0x00007f72e8daae71 in  () at /usr/lib64/libQt5Quick.so.5
#10 0x00007f72e8db3ce9 in  () at /usr/lib64/libQt5Quick.so.5
#11 0x00007f72e8db40db in  () at /usr/lib64/libQt5Quick.so.5
#12 0x00007f72eb904b69 in QWindow::event(QEvent*) () at /usr/lib64/libQt5Gui.so.5
#13 0x00007f72e8de50d1 in QQuickWindow::event(QEvent*) () at /usr/lib64/libQt5Quick.so.5
#14 0x00007f72ec08ee7c in QApplicationPrivate::notify_helper(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#15 0x00007f72ec093cc8 in QApplication::notify(QObject*, QEvent*) () at /usr/lib64/libQt5Widgets.so.5
#16 0x00007f72ea544e95 in QCoreApplication::notifyInternal(QObject*, QEvent*) () at /usr/lib64/libQt5Core.so.5
#17 0x00007f72eb8fd5d4 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () at /usr/lib64/libQt5Gui.so.5
#18 0x00007f72eb8fe1ed in QGuiApplicationPrivate::processWindowSystemEvent(QWindowSystemInterfacePrivate::WindowSystemEvent*) () at /usr/lib64/libQt5Gui.so.5
#19 0x00007f72eb8e3268 in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Gui.so.5
#20 0x00007f72dd779200 in  () at /usr/lib64/libQt5XcbQpa.so.5
#21 0x00007f72e5cb0c84 in g_main_context_dispatch () at /usr/lib64/libglib-2.0.so.0
#22 0x00007f72e5cb0ed8 in  () at /usr/lib64/libglib-2.0.so.0
#23 0x00007f72e5cb0f7c in g_main_context_iteration () at /usr/lib64/libglib-2.0.so.0
#24 0x00007f72ea59bd6c in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#25 0x00007f72ea542d53 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () at /usr/lib64/libQt5Core.so.5
#26 0x00007f72ea54a8f6 in QCoreApplication::exec() () at /usr/lib64/libQt5Core.so.5
#27 0x0000000000410a45 in main ()

Reported using DrKonqi