Created attachment 125921 [details]
Plasma no panels at all, but also stuck at empty layout selections

SUMMARY
PlasmaShell just crashes, with serious unknown lib metadata issues somewhy, but also no panels could be set, and background layout changes could never be made

PLASMASHELL LOGS
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/appimagethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kamera.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_webshortcuts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_yandexfotki.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kio_kamera.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_autostart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_info.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_otr.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/mobithumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/akonadi_serializer_addressee.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/ffmpegthumbs.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/plasma_runner_marble.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_groupwise.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_keyboard.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_chatwindow.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_grub2.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kdeconnect_pausemusic_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_componentchooser.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilbrightnesscontrolaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/jpegthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kontactsummary.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_networkmanagement.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_converter.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_webshortcuts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_wp.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kstyle_breeze_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kgamma.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_placesrunner.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_gadu.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevildpmsaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kio_msits.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_dropbox.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/dolphinpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_sddm.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/chattexteditpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libplasmanetworkmanagement_openconnectui.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_pluginconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kontact_summaryplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/akonadi_serializer_kcalcore.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_history.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_windows.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/djvuthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwinscreenedges.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilhandlebuttoneventsaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_samba.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_privacy.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/sambausershareplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_about_distro.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_contactnotes.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/accountwizard_plugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/gvpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_highlight.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_browsertabs.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_krunner_spellcheck.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_krunner_pimcontacts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kdeconnect.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevildpmsaction.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kded.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/windowsexethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kontact_kmailplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libkcm_qtquicksettings.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/plasma-geolocation-ip.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_pci.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_statistics.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_powerdevilprofilesconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/baloofilepropertiesplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_chatwindowconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/akonadi_serializer_contactgroup.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_memory.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kritathumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/exrthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_jalbum.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_shell.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krossqts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilrunscriptaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_googleservices.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_addbookmarks.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_behaviorconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcmspellchecking.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_krunner_kill.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/attica_kde.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kfontviewpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_charrunner.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_autoreplace.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/plasma-geolocation-gps.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_appstream.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/imagethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_locations.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_vkontakte.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_piwigo.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilkeyboardbrightnesscontrolaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_printimages.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kmailsummary.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_krunner_charrunner.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krossmoduleforms.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_usb.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kwincompositing.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_sendimages.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_appearanceconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_facebook.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_cron.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kded_touchpad.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_jabber.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_plasma-desktop.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_addbookmarks.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_solid_actions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_otr.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_emailwindow.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_testbed.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_powerdevil.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kdeconnect_share_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_flashexport.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_opengl.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/akonadi_serializer_mail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_katesessions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_statusconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/opendocumentthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_view1394.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_windowedwidgets.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_rajce.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/windowsimagethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_dictionary.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kmail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_hotkeys.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_aim.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_mailtransport.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_webpresence.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/okularpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_access.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_about_extended.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kdeconnect_runcommand_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_history.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/audiothumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kmailpart.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_highlight.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_kwin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kded_dnssdwatcher.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/fontthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_activities.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_konsoleprofiles.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_krunner_dictionary.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kdeconnect_sendnotifications_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwintabbox.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_keys.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_nic.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libpointingdevices_x11.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_filetypes.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/svgthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_urlpicpreview.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_spellcheck.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_avdeviceconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kdeconnect_findthisdevice_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krossmodulekdetranslation.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_fontinst.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_mouse.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_dolphingeneral.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/akonadi_serializer_kalarm.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_services.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_standard_actions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/user_manager.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_desktoppaths.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_plasmasearch.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/calligrathumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_kill.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_sessions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_texteffect.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libmarble_part.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilsuspendsessionaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_wikimedia.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_urlpicpreview.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_bookmarksrunner.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_clock.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevilwirelesspowersavingaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/ebookthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_activities.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kstyle_oxygen_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_kmlexport.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_smserver.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_ssl.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_accountconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwinoptions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libmarblethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kio_obexftp.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_powerdevilglobalconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_trash.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/calligradocinfopropspage.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_dolphinnavigation.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kio.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/libkcm_device_automounter.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_bonjour.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_flickr.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwin_scripts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_devinfo.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_autoreplace.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_calculatorrunner.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_joystick.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_texteffect.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/megasyncplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_icq.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_imageshack.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_dolphinservices.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_imgur.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kio_bluetooth.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/textthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwinrules.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_privacy.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_plasmaservices.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kfileaudiopreview.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/mltpreview.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_datetime.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/comicbookthumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/powerdevildimdisplayaction_config.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/systemsettings_sidebar_mode.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/icon_mode.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/miloutextplugin.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_pimcontacts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_smug.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_akonadicontact_actions.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_powerdevilactivitiesconfig.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kwintouchscreen.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_dolphinviewmodes.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kipiplugin_remotestorage.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/calligraimagethumbnail.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_emoticons.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kio_fonts.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kcm_kopete_webpresence.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/kopete_qq.so"
org.kde.plasma: invalid metadata "/usr/lib/qt/plugins/krunner_recentdocuments.so"
...

OBSERVED RESULT
No Plasma panels could be set at all, but also backgrounds are stuck too.

EXPECTED RESULT
Panels and backgrounds are come back like normally

SOFTWARE/OS VERSIONS
Linux/KDE Plasma: Artix / 5.18.x
(available in About System)
KDE Plasma Version: 5.18.x 
KDE Frameworks Version: 5.67.x
Qt Version: 5.16

ADDITIONAL INFORMATION