to confirm the exact name, check what is available under /usr/share/wayland-sessions/
if you’re stuck, try pacman -Q | grep -i kde and pacman -Q | grep -i plasma and remove everything related + remove orphans , then fresh install plasma-meta or plasma group and it should work
For those who use Wayland, don’t forget to edit
from KDE5: Session=plasmawayland
to Plasma6: Session=plasma
to confirm the exact name, check what is available under
/usr/share/wayland-sessions/if you’re stuck, try
pacman -Q | grep -i kdeandpacman -Q | grep -i plasmaand remove everything related + remove orphans , then fresh install plasma-meta or plasma group and it should work