ksmserver-logout-greeter crash

Application: ksmserver-logout-greeter (ksmserver-logout-greeter), signal: Aborted

[KCrash Handler]
#4  0x00007f5689957355 in raise () from /usr/lib/libc.so.6
#5  0x00007f5689940853 in abort () from /usr/lib/libc.so.6
#6  0x00007f5689d509ac in QMessageLogger::fatal(char const*, ...) const () from /usr/lib/libQt5Core.so.5
#7  0x00007f568b70e7a9 in QSGRenderLoop::handleContextCreationFailure(QQuickWindow*) () from /usr/lib/libQt5Quick.so.5
#8  0x00007f568b70fd10 in ?? () from /usr/lib/libQt5Quick.so.5
#9  0x00007f568b7114ca in ?? () from /usr/lib/libQt5Quick.so.5
#10 0x00007f568a359955 in QWindow::event(QEvent*) () from /usr/lib/libQt5Gui.so.5
#11 0x00007f568aacf702 in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#12 0x00007f5689f727ba in QCoreApplication::notifyInternal2(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#13 0x00007f568a34e7e0 in QGuiApplicationPrivate::processExposeEvent(QWindowSystemInterfacePrivate::ExposeEvent*) () from /usr/lib/libQt5Gui.so.5
#14 0x00007f568a322b4c in QWindowSystemInterface::sendWindowSystemEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Gui.so.5
#15 0x00007f56856c8c8c in ?? () from /usr/lib/libQt5XcbQpa.so.5
#16 0x00007f5687fff43c in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#17 0x00007f568804d1d9 in ?? () from /usr/lib/libglib-2.0.so.0
#18 0x00007f5687ffe221 in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#19 0x00007f5689fcb331 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#20 0x00007f5689f7113c in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#21 0x00007f5689f795c4 in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#22 0x0000559a489c6295 in ?? ()
#23 0x00007f5689942002 in __libc_start_main () from /usr/lib/libc.so.6
#24 0x0000559a489c63be in _start ()
[Inferior 1 (process 194842) detached]