SUMMARY STEPS TO REPRODUCE 1. lanch plasma-discover 2. 3. OBSERVED RESULT invalid kns backend! "/usr/share/knsrcfiles/ksysguard.knsrc" because: "Config group not found! Check your KNS3 installation." adding empty sources model QStandardItemModel(0x55868b27d770) <Unknown File>:7: TypeError: Cannot read property 'contentX' of null qrc:/qml/ApplicationsListPage.qml:144:16: QML ResourcesProxyModel: Binding loop detected for property "sortOrder" file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:188: Error: Cannot assign QObject* to QQuickAction* file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:188: Error: Cannot assign QObject* to QQuickAction* file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:188: Error: Cannot assign QObject* to QQuickAction* file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ItemViewHeader.qml:65:9: Unable to assign QQuickPopupItem to Page_QMLTYPE_39 org.kde.plasma.libdiscover: error fetching reviews: "Error transferring https://odrs.gnome.org/1.0/reviews/api/fetch - server replied: BAD REQUEST" "{\n \"msg\": \"missing data, expected version\",\n \"success\": false\n}" Transaction error: "DependsOn not supported by backend" PackageKit::Transaction(0x55868b2707b0) percentage cannot be calculated percentage cannot be calculated percentage cannot be calculated percentage cannot be calculated percentage cannot be calculated percentage cannot be calculated percentage cannot be calculated Here i clicked on lauch button but nothing appears <Unknown File>:7: TypeError: Type error <Unknown File>:7: TypeError: Type error file:///usr/lib64/qt5/qml/org/kde/kirigami.2/ScrollablePage.qml:188: Error: Cannot assign QObject* to QQuickAction* <Unknown File>:7: TypeError: Type error EXPECTED RESULT SOFTWARE/OS VERSIONS Windows: macOS: Linux/KDE Plasma: (available in About System) KDE Plasma Version: KDE Frameworks Version: Qt Version: ADDITIONAL INFORMATION
*** Bug 415579 has been marked as a duplicate of this bug. ***
ksysguard is no longer maintained, in Plasma 6 there is the Plasma system monitor for this task. If your issue still happens with the Plasma 6 replacement, please re-open and we can move this bug to the new product, thanks!