***
If you're not sure this is actually a bug, instead post about it at https://discuss.kde.org

If you're reporting a crash, attach a backtrace with debug symbols; see https://community.kde.org/Guidelines_and_HOWTOs/Debugging/How_to_create_useful_crash_reports
***

SUMMARY
In systemsettings, the section about 'sounds' gives a failure message: 
"Fout bij het laden van QML-bestand." translation: "failure when loading QML-file"
"qrc:/kcm/kcm_pulseaudio/main.qml:366 Type Kirigami.InlineMessage unavailable
file:///usr/lib64/qt6/qml/org/kde/kirigami/InlineMessage.qml:63 Type KT.InlineMessage unavailable
qrc:/qt/qml/org/kde/kirigami/templates/InlineMessage.qml:123 Cannot assign object of type "TP.IconPropertiesGroup" to property of type "IconPropertiesGroup_QMLTYPE_9*" as the former is neither the same as the latter nor a sub-class of it."

STEPS TO REPRODUCE
1. Open Systemsettings
2. Klick on Sounds 




EXPECTED RESULT
Settings to setup sounds

SOFTWARE/OS VERSIONS
Operating System: Fedora Linux 40
KDE Plasma Version: 6.1.3
KDE Frameworks Version: 6.4.0
Qt Version: 6.7.2
Kernel Version: 6.9.11-200.fc40.x86_64 (64-bit)
Graphics Platform: Wayland