Hi,
I cant open and run updates from the discover icon in the task bar.
When i run plasma-discover from the terminal i get this in the window

adding empty sources model QStandardItemModel(0x5645ebc027b0)
no packages for "org.kde.plasma.quicklaunch"
no packages for "org.kde.plasma.systemloadviewer"
no packages for "org.kde.plasma.showActivityManager"
no packages for "org.kde.plasma.keyboardindicator"
no packages for "org.kde.plasma.grouping"
no packages for "org.kde.plasma.diskquota"
no packages for "gimp-data-extras"
no packages for "org.kde.kdialog"
no packages for "org.kde.plasma.timer"
no packages for "org.kde.kscreen"
no packages for "org.kde.kio_gdrive"
no packages for "org.kde.plasma.appmenu"
no packages for "im.riot.webapp"
no packages for "org.kde.plasma.kimpanel"
no packages for "org.kde.discovernotifier"
no packages for "org.cockpit_project.cockpit"
invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation."
no org.citra.citra-nightly
no org.freedesktop.Platform.GL.nvidia-415-25
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.GL.nvidia-415-25.desktop"
no org.freedesktop.Platform.GL.nvidia-415-27
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.GL.nvidia-415-27.desktop"
no org.freedesktop.Platform.GL.nvidia-430-26
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.GL.nvidia-430-26.desktop"
no org.freedesktop.Platform.GL.nvidia-430-40
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.GL.nvidia-430-40.desktop"
no org.freedesktop.Platform.html5-codecs
Failed to parse appstream metadata: AppStream::Metadata::MetadataErrorParse "/var/lib/flatpak/exports/share/applications/org.freedesktop.Platform.html5-codecs.desktop"
took really long to fetch PackageKitBackend(0x5645eb4895c0)
KCrash: crashing... crashRecursionCounter = 2
KCrash: Application Name = plasma-discover path = /usr/bin pid = 3713
KCrash: Arguments: /usr/bin/plasma-discover
KCrash: Attempting to start /usr/lib/x86_64-linux-gnu/libexec/drkonqi from kdeinit
sock_file=/run/user/1000/kdeinit5__0
QSocketNotifier: Invalid socket 8 and type 'Read', disabling...
QSocketNotifier: Invalid socket 38 and type 'Read', disabling...
QSocketNotifier: Invalid socket 32 and type 'Read', disabling...

[1]+ Stopped plasma-discover

It was working fun until 2 updates ago and i can run updates with sudo apt-distupgrade from the terminal fine

Can anyone help please?

a bit more information about your system, plasma version and distribution would be helpful...

Hello, Sorry about that, here is my system specs:

Operating System: KDE neon Testing Edition
KDE Plasma Version: 5.16.4
KDE Frameworks Version: 5.62.0
Qt Version: 5.12.3
Kernel Version: 5.1.0-050100-generic
OS Type: 64-bit
Processors: 4 × Intel® Core™ i5-4460 CPU @ 3.20GHz
Memory: 15.6 GiB of RAM