KDE Discover crashes once open after clicking on Apps or Modules (update issue ?)

[Yosha872]

KDE Discover 5.24.7 does crashes once open after clicking on Apps or Modules (online update issue ?).
OS: Kubuntu 22.04.4

When launched from command line :

$ plasma-discover
qrc:/qml/DiscoverWindow.qml:116:19: QML Shortcut: Shortcut: Only binding to one of multiple key bindings associated with 15. Use 'sequences: [ <key> ]' to bind to all of them.
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:674:5: QML Shortcut: Shortcut: Only binding to one of multiple key bindings associated with 14. Use 'sequences: [ <key> ]' to bind to all of them.
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/PageRow.qml:670:5: QML Shortcut: Shortcut: Only binding to one of multiple key bindings associated with 13. Use 'sequences: [ <key> ]' to bind to all of them.
QObject::startTimer: Timers cannot have negative intervals
qrc:/qml/DiscoverPage.qml:42:37: QML Shortcut: Shortcut: Only binding to one of multiple key bindings associated with 15. Use 'sequences: [ <key> ]' to bind to all of them.
adding empty sources model QStandardItemModel(0x5621078c63c0)
org.kde.plasma.libdiscover: Couldn't find a category for "fwupd-backend"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/private/PrivateActionToolButton.qml:74:5: QML Binding: Binding loop detected for property "value"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/AbstractApplicationWindow.qml:282:5: QML Binding: Not restoring previous value because restoreMode has not been set.
This behavior is deprecated.
You have to import QtQml 2.15 after any QtQuick imports and set
the restoreMode of the binding to fix this warning.
In Qt < 6.0 the default is Binding.RestoreBinding.
In Qt >= 6.0 the default is Binding.RestoreBindingOrValue.

file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/BasicListItem.qml:273:18: QML QQuickItem*: Binding loop detected for property "implicitWidth"
file:///usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/AbstractApplicationWindow.qml:282:5: QML Binding: Not restoring previous value because restoreMode has not been set.
This behavior is deprecated.
You have to import QtQml 2.15 after any QtQuick imports and set
the restoreMode of the binding to fix this warning.
In Qt < 6.0 the default is Binding.RestoreBinding.
In Qt >= 6.0 the default is Binding.RestoreBindingOrValue.

kf.i18n: "0 instead of 1 arguments to message {Rechercher « %1 » su...} supplied before conversion."
kf.i18n: "0 instead of 1 arguments to message {Il est impossible de...} supplied before conversion."
kf.i18n: "0 instead of 1 arguments to message {Il est possible que ...} supplied before conversion."
qrc:/qml/DiscoverPage.qml:42:37: QML Shortcut: Shortcut: Only binding to one of multiple key bindings associated with 15. Use 'sequences: [ <key> ]' to bind to all of them.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.
Qt Quick Layouts: Detected recursive rearrange. Aborting after two iterations.

(process:10726): GLib-ERROR **: 13:35:31.508: Creating pipes for GWakeup: Too many open files
Trace/breakpoint trap (core dumped)

According my searches on the web this info may be useful:
$ du /var/lib/flatpak | wc -l
4866

$ lsb_release -rd
Description: Ubuntu 22.04.4 LTS
Release: 22.04

$ apt-cache policy plasma-discover
plasma-discover:
  Installé : 5.24.7-0ubuntu0.1
  Candidat : 5.24.7-0ubuntu0.1
 Table de version :
 *** 5.24.7-0ubuntu0.1 500
        500 http://fr.archive.ubuntu.com/ubuntu jammy-updates/universe amd64 Packages
        100 /var/lib/dpkg/status
     5.24.4-0ubuntu1 500
        500 http://fr.archive.ubuntu.com/ubuntu jammy/universe amd64 Packages

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: plasma-discover 5.24.7-0ubuntu0.1
ProcVersionSignature: Ubuntu 5.15.0-107.117-generic 5.15.149
Uname: Linux 5.15.0-107-generic x86_64
NonfreeKernelModules: nvidia_modeset nvidia
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Sat May 18 13:54:52 2024
InstallationDate: Installed on 2023-05-29 (354 days ago)
InstallationMedia: Kubuntu 22.04.1 LTS "Jammy Jellyfish" - Release amd64 (20220809.1)
SourcePackage: plasma-discover
UpgradeStatus: No upgrade log present (probably fresh install)

[Yosha872 (yosha)]

I tried these tricks without improvement:
- '$ ulimit -n 2048' Found at https://discuss.kde.org/t/plasma-discover-is-crashing-every-time-i-open-it/14017
- '$ kate /usr/lib/x86_64-linux-gnu/qt5/qml/org/kde/kirigami.2/NavigationTabBar.qml' Found at https://askubuntu.com/questions/1501964/kde-discover-doesnt-start-up-with-weird-error-message

Related infos :
https://bugs.kde.org/show_bug.cgi?id=420249