amarok 2.5.0 update error

After today's update to amarok 2.5.0, start amarok gives: Amarok could not find any collection plugins. It is possible that Amarok is installed under the wrong prefix, please fix your installation using: $ cd /path/to/amarok/source-code/ $ su -c "make uninstall" $ cmake -DCMAKE_INSTALL_PREFIX=`kde4-config --prefix` && su -c "make install" $ kbuildsycoca4 --noincremental $ amarok More information can be found in the README file. For further assistance join us at #amarok on irc.freenode.net.