Application: systemsettings5 (5.3.1)

Qt Version: 5.4.1
Operating System: Linux 4.0.4-2-ARCH x86_64
Distribution (Platform): Archlinux Packages

-- Information about the crash:
- What I was doing when the application crashed:
I'm removing one of installed emoticons after that the error dialog show "Could not delete file /home/username/.local/share/emoticons/x" Click ok then crash but the emoticons not removed after crash

- Custom settings of the application:
Custom Icons

-- Backtrace:
Application: System Settings (systemsettings5), signal: Segmentation fault
Using host libthread_db library "/usr/lib/libthread_db.so.1".
[Current thread is 1 (Thread 0x7ff3965de780 (LWP 544))]

Thread 3 (Thread 0x7ff37440f700 (LWP 571)):
#0  0x00007ff38e5f596f in pthread_cond_wait@@GLIBC_2.3.2 () from /usr/lib/libpthread.so.0
#1  0x00007ff37763430a in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#2  0x00007ff377633b77 in ?? () from /usr/lib/xorg/modules/dri/radeonsi_dri.so
#3  0x00007ff38e5f0354 in start_thread () from /usr/lib/libpthread.so.0
#4  0x00007ff3922f4bfd in clone () from /usr/lib/libc.so.6

Thread 2 (Thread 0x7ff35f7fe700 (LWP 595)):
#0  0x00007ff3922ebe8d in poll () from /usr/lib/libc.so.6
#1  0x00007ff38e0d3c7c in ?? () from /usr/lib/libglib-2.0.so.0
#2  0x00007ff38e0d3d8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#3  0x00007ff392c15dfc in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#4  0x00007ff392bbb482 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#5  0x00007ff3929cd1f4 in QThread::exec() () from /usr/lib/libQt5Core.so.5
#6  0x00007ff3929d218e in ?? () from /usr/lib/libQt5Core.so.5
#7  0x00007ff38e5f0354 in start_thread () from /usr/lib/libpthread.so.0
#8  0x00007ff3922f4bfd in clone () from /usr/lib/libc.so.6

Thread 1 (Thread 0x7ff3965de780 (LWP 544)):
[KCrash Handler]
#5  0x0000000000000050 in ?? ()
#6  0x00007ff392bcc32f in QMetaObject::invokeMethod(QObject*, char const*, Qt::ConnectionType, QGenericReturnArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument, QGenericArgument) () from /usr/lib/libQt5Core.so.5
#7  0x00007ff38bcd50ea in KDialogJobUiDelegate::Private::next() () from /usr/lib/libKF5JobWidgets.so.5
#8  0x00007ff392beed5a in QObject::event(QEvent*) () from /usr/lib/libQt5Core.so.5
#9  0x00007ff3946dc3dc in QApplicationPrivate::notify_helper(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#10 0x00007ff3946e1820 in QApplication::notify(QObject*, QEvent*) () from /usr/lib/libQt5Widgets.so.5
#11 0x00007ff392bbd9eb in QCoreApplication::notifyInternal(QObject*, QEvent*) () from /usr/lib/libQt5Core.so.5
#12 0x00007ff392bbfa2b in QCoreApplicationPrivate::sendPostedEvents(QObject*, int, QThreadData*) () from /usr/lib/libQt5Core.so.5
#13 0x00007ff392c159f3 in ?? () from /usr/lib/libQt5Core.so.5
#14 0x00007ff38e0d39fd in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#15 0x00007ff38e0d3ce0 in ?? () from /usr/lib/libglib-2.0.so.0
#16 0x00007ff38e0d3d8c in g_main_context_iteration () from /usr/lib/libglib-2.0.so.0
#17 0x00007ff392c15de7 in QEventDispatcherGlib::processEvents(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#18 0x00007ff392bbb482 in QEventLoop::exec(QFlags<QEventLoop::ProcessEventsFlag>) () from /usr/lib/libQt5Core.so.5
#19 0x00007ff392bc2e5c in QCoreApplication::exec() () from /usr/lib/libQt5Core.so.5
#20 0x000000000040eeab in main ()

Reported using DrKonqi