Почему Discover падает при запуске?

Обнаружение сбоя каждый раз при запуске в Kubuntu (KDE поддерживает Ubuntu 16.04)

justin@LuNoHo:~$ plasma-discover
Invalid Context= "animations" line for icon theme:  "/usr/share/icons/Oranchelo/animations/22/"
Invalid Context= "panel" line for icon theme:  "/usr/share/icons/Oranchelo/panel/22/"
Invalid Context= "panel" line for icon theme:  "/usr/share/icons/Oranchelo/panel/16/"
Invalid Context= "status" line for icon theme:  "/usr/share/icons/Oranchelo/status/scalable/"
Icon theme "gnome" not found.
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami/GlobalDrawer.qml:213:9: QML Flickable: Binding loop detected for property "contentWidth"
The file  "/home/justin/.local/share/knewstuff3/comic.knsregistry"  could not be opened.
The file  "/home/justin/.local/share/knewstuff3/discover_ktexteditor_codesnippets_core.knsregistry"  could not be opened.
The file  "/home/justin/.local/share/knewstuff3/plasmoids.knsregistry"  could not be opened.
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = plasma-discover path = /usr/bin pid = 5004
KCrash: Arguments: /usr/bin/plasma-discover 
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1001/kdeinit5__0
QSocketNotifier: Invalid socket 19 and type 'Read', disabling...
QSocketNotifier: Invalid socket 21 and type 'Read', disabling...

[2]+  Stopped                 plasma-discover