systemsettings5 crashes on confirm dialogue

gistfile1.txt

write(2, "\n(systemsettings5:10427): GLib-G"..., 106
(systemsettings5:10427): GLib-GObject-CRITICAL **: g_object_set: assertion 'G_IS_OBJECT (object)' failed
) = 106
write(2, "\n(systemsettings5:10427): GStrea"..., 106
(systemsettings5:10427): GStreamer-CRITICAL **: gst_bin_add: assertion 'GST_IS_ELEMENT (element)' failed
) = 106
write(2, "\n(systemsettings5:10427): GStrea"..., 121
(systemsettings5:10427): GStreamer-CRITICAL **: gst_element_get_static_pad: assertion 'GST_IS_ELEMENT (element)' failed
) = 121
write(2, "\n(systemsettings5:10427): GStrea"..., 107
(systemsettings5:10427): GStreamer-CRITICAL **: gst_ghost_pad_new: assertion 'GST_IS_PAD (target)' failed
) = 107
write(2, "\n(systemsettings5:10427): GStrea"..., 106
(systemsettings5:10427): GStreamer-CRITICAL **: gst_element_add_pad: assertion 'GST_IS_PAD (pad)' failed
) = 106
write(2, "\n(systemsettings5:10427): GStrea"..., 101
(systemsettings5:10427): GStreamer-CRITICAL **: gst_object_unref: assertion 'object != NULL' failed
) = 101
write(2, "\n(systemsettings5:10427): GStrea"..., 106
(systemsettings5:10427): GStreamer-CRITICAL **: gst_bin_add: assertion 'GST_IS_ELEMENT (element)' failed
) = 106
write(2, "\n(systemsettings5:10427): GStrea"..., 121
(systemsettings5:10427): GStreamer-CRITICAL **: gst_element_get_static_pad: assertion 'GST_IS_ELEMENT (element)' failed
) = 121
write(2, "\n(systemsettings5:10427): GStrea"..., 107
(systemsettings5:10427): GStreamer-CRITICAL **: gst_ghost_pad_new: assertion 'GST_IS_PAD (target)' failed
) = 107
write(2, "\n(systemsettings5:10427): GStrea"..., 106
(systemsettings5:10427): GStreamer-CRITICAL **: gst_element_add_pad: assertion 'GST_IS_PAD (pad)' failed
) = 106
write(2, "\n(systemsettings5:10427): GStrea"..., 101
(systemsettings5:10427): GStreamer-CRITICAL **: gst_object_unref: assertion 'object != NULL' failed
) = 101
write(2, "Changing audio state from  Phono"..., 75Changing audio state from  Phonon::LoadingState  to  Phonon::StoppedState 
) = 75
write(2, "WARNING: Phonon::createPath: Can"..., 126WARNING: Phonon::createPath: Cannot connect  Phonon::MediaObject ( no objectName ) to  Phonon::AudioOutput ( no objectName ).
) = 126
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.sub", 0x7fff81818910) = -1 ENOENT (No such file or directory)
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.srt", 0x7fff81818910) = -1 ENOENT (No such file or directory)
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.smi", 0x7fff81818910) = -1 ENOENT (No such file or directory)
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.ssa", 0x7fff81818910) = -1 ENOENT (No such file or directory)
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.ass", 0x7fff81818910) = -1 ENOENT (No such file or directory)
stat("/run/current-system/sw/share/sounds/Oxygen-Sys-Warning.asc", 0x7fff81818910) = -1 ENOENT (No such file or directory)