OK yeah, no. I don’t know what’s going on here. Something weird. It might be that your package list and mirrors are outdated, but I’m not sure. To double-check and fix if it possibly is the mirrors, do:
$ sudo pacman-mirrors --fasttrack=5
LC_ALL=C sudo pacman -Syu # added an "u" INT ✘ 60s
:: Synchronizing package databases...
core is up to date
extra is up to date
community is up to date
multilib is up to date
:: Some packages should be upgraded first...
resolving dependencies...
looking for conflicting packages...
Packages (4) base-3-2 archlinux-keyring-20240520-1 manjaro-keyring-20230719-2 manjaro-system-20230401-1
Total Download Size: 0.03 MiB
Total Installed Size: 1.76 MiB
Net Upgrade Size: 0.23 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages...
y manjaro-system-20230401-1-any 29.0 KiB 21.3 KiB/s 00:00 [#######################################################] 100 manjaro-system-20230401-1-any 29.0 KiB 68.3 KiB/s 00:00 [#######################################################] 100%
(4/4) checking keys in keyring [#######################################################] 100%
(4/4) checking package integrity [#######################################################] 100%
error: manjaro-system: signature from "Mark Wagie <mark@manjaro.org>" is unknown trust
:: File /var/cache/pacman/pkg/manjaro-system-20230401-1-any.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n] y
error: failed to commit transaction (invalid or corrupted package (PGP signature))
Errors occurred, no packages were upgraded.
:: Starting full system upgrade...
:: Replace appstream-qt with extra/appstream-qt5? [Y/n] y
:: Replace at-spi2-atk with extra/at-spi2-core? [Y/n] y
:: Replace atk with extra/at-spi2-core? [Y/n] y
:: Replace attica with extra/attica5? [Y/n] y
:: Replace bashrc-manjaro with core/bash? [Y/n] y
:: Replace bluez-qt with extra/bluez-qt5? [Y/n] y
:: Replace breath2-icon-themes with extra/plasma5-themes-breath? [Y/n] y
:: Replace breath2-icon-themes with extra/plasma6-themes-breath? [Y/n] y
:: Replace breeze with extra/breeze5? [Y/n] y
:: Replace crda with core/wireless-regdb? [Y/n] y
:: Replace dbus-python with extra/python-dbus? [Y/n] y
:: Replace frameworkintegration with extra/frameworkintegration5? [Y/n] y
:: Replace hwids with core/hwdata? [Y/n] y
:: Replace kactivities with extra/kactivities5? [Y/n] y
:: Replace kactivities with extra/plasma-activities? [Y/n] y
:: Replace kactivities-stats with extra/kactivities-stats5? [Y/n] y
:: Replace kactivities-stats with extra/plasma-activities-stats? [Y/n] y
:: Replace karchive with extra/karchive5? [Y/n] y
:: Replace kauth with extra/kauth5? [Y/n] y
:: Replace kbookmarks with extra/kbookmarks5? [Y/n] y
:: Replace kcmutils with extra/kcmutils5? [Y/n] y
:: Replace kcodecs with extra/kcodecs5? [Y/n] y
:: Replace kcompletion with extra/kcompletion5? [Y/n] y
:: Replace kconfig with extra/kconfig5? [Y/n] y
:: Replace kconfigwidgets with extra/kconfigwidgets5? [Y/n] y
:: Replace kcontacts with extra/kcontacts5? [Y/n] y
:: Replace kcoreaddons with extra/kcoreaddons5? [Y/n] y
:: Replace kcrash with extra/kcrash5? [Y/n] y
:: Replace kdbusaddons with extra/kdbusaddons5? [Y/n] y
:: Replace kdeclarative with extra/kdeclarative5? [Y/n] y
:: Replace kded with extra/kded5? [Y/n] y
:: Replace kdesu with extra/kdesu5? [Y/n] y
:: Replace kdnssd with extra/kdnssd5? [Y/n] y
:: Replace kdoctools with extra/kdoctools5? [Y/n] y
:: Replace kdsoap with extra/kdsoap-qt5? [Y/n] y
:: Replace kfilemetadata with extra/kfilemetadata5? [Y/n] y
:: Replace kgamma5 with extra/kgamma? [Y/n] y
:: Replace kglobalaccel with extra/kglobalaccel5? [Y/n] y
:: Replace kguiaddons with extra/kguiaddons5? [Y/n] y
:: Replace kholidays with extra/kholidays5? [Y/n] y
:: Replace ki18n with extra/ki18n5? [Y/n] y
:: Replace kiconthemes with extra/kiconthemes5? [Y/n] y
:: Replace kidletime with extra/kidletime5? [Y/n] y
:: Replace kimageformats with extra/kimageformats5? [Y/n] y
:: Replace kio with extra/kio5? [Y/n] y
:: Replace kitemmodels with extra/kitemmodels5? [Y/n] y
:: Replace kitemviews with extra/kitemviews5? [Y/n] y
:: Replace kjobwidgets with extra/kjobwidgets5? [Y/n] y
:: Replace knewstuff with extra/knewstuff5? [Y/n] y
:: Replace knotifications with extra/knotifications5? [Y/n] y
:: Replace knotifyconfig with extra/knotifyconfig5? [Y/n] y
:: Replace kpackage with extra/kpackage5? [Y/n] y
:: Replace kparts with extra/kparts5? [Y/n] y
:: Replace kpeople with extra/kpeople5? [Y/n] y
:: Replace kpty with extra/kpty5? [Y/n] y
:: Replace kservice with extra/kservice5? [Y/n] y
:: Replace ksysguard with extra/plasma-systemmonitor? [Y/n] y
:: Replace ktexteditor with extra/ktexteditor5? [Y/n] y
:: Replace ktextwidgets with extra/ktextwidgets5? [Y/n] y
:: Replace kunitconversion with extra/kunitconversion5? [Y/n] y
:: Replace kwallet with extra/kwallet5? [Y/n] y
:: Replace kwayland with extra/kwayland5? [Y/n] y
:: Replace kwidgetsaddons with extra/kwidgetsaddons5? [Y/n] y
:: Replace kwindowsystem with extra/kwindowsystem5? [Y/n] y
:: Replace kxmlgui with extra/kxmlgui5? [Y/n] y
y:: Replace libkcddb with extra/libkcddb5? [Y/n]
:: Replace libqaccessibilityclient with extra/libqaccessibilityclient-qt5? [Y/n] y
:: Replace modemmanager-qt with extra/modemmanager-qt5? [Y/n] y
:: Replace networkmanager-qt with extra/networkmanager-qt5? [Y/n] y
:: Replace oxygen with extra/oxygen5? [Y/n] y
:: Replace plasma-framework with extra/libplasma? [Y/n] y
:: Replace plasma-framework with extra/plasma-framework5? [Y/n] y
:: Replace plasma-integration with extra/plasma5-integration? [Y/n] y
:: Replace prison with extra/prison5? [Y/n] y
:: Replace purpose with extra/purpose5? [Y/n] y
:: Replace qqc2-desktop-style with extra/qqc2-desktop-style5? [Y/n] y
:: Replace sddm-breath2-theme with extra/sddm-breath-theme? [Y/n] y
:: Replace sdl with extra/sdl12-compat? [Y/n] y
:: Replace solid with extra/solid5? [Y/n] y
:: Replace sonnet with extra/sonnet5? [Y/n] y
:: Replace steam-manjaro with multilib/steam? [Y/n] y
:: Replace syndication with extra/syndication5? [Y/n] y
:: Replace syntax-highlighting with extra/syntax-highlighting5? [Y/n] y
:: Replace threadweaver with extra/threadweaver5? [Y/n] y
resolving dependencies...
:: There are 2 providers available for dbus-units:
:: Repository core
1) dbus-broker-units 2) dbus-daemon-units
Enter a number (default=1): 1
:: There are 2 providers available for qt6-multimedia-backend:
:: Repository extra
1) qt6-multimedia-ffmpeg 2) qt6-multimedia-gstreamer
Enter a number (default=1): 1
looking for conflicting packages...
error: unresolvable package conflicts detected
error: failed to prepare transaction (conflicting dependencies)
:: plasma6-themes-breath and plasma5-themes-breath are in conflict
