From The Chakra Project - Wiki

• Make sure to uninstall all old packages from kdemod-core, kdemod-extragear and kdemod-playground:

pacman -Rd kdemod-uninstall

• Change repositories to KDEmod-Unstable... Just use Shaman or edit your /etc/pacman.conf and change: http://chakra-project.org/repo/core/i686 to http://chakra-project.org/repo/unstable/i686
• Update Database in Shaman or run "pacman -Syy"
• Reinstall KDEmod-packages