yum update after yum distro-sync

yum-update

sudo yum update
Loaded plugins: langpacks, refresh-packagekit
Warning: group core does not exist.
Warning: group multimedia does not exist.
Warning: group kde-media does not exist.
Warning: group base-x does not exist.
Warning: group guest-desktop-agents does not exist.
Warning: group anaconda-tools does not exist.
Warning: group fonts does not exist.
Warning: group hardware-support does not exist.
Warning: group dial-up does not exist.
Warning: group kde-apps does not exist.
Warning: group kde-desktop does not exist.
Warning: group printing does not exist.
Warning: group standard does not exist.
Warning: group kde-telepathy does not exist.
Resolving Dependencies
--> Running transaction check
---> Package k3b-extras-freeworld.x86_64 1:2.0.2-14.fc20 will be installed
---> Package kdm.x86_64 0:4.11.3-1.fc20 will be installed
--> Processing Dependency: libkworkspace(x86-64) = 4.11.3-1.fc20 for package: kdm-4.11.3-1.fc20.x86_64
--> Processing Dependency: kgreeter-plugins = 4.11.3-1.fc20 for package: kdm-4.11.3-1.fc20.x86_64
--> Processing Dependency: kde-settings-kdm for package: kdm-4.11.3-1.fc20.x86_64
---> Package nss-mdns.x86_64 0:0.10-13.fc20 will be installed
--> Processing Dependency: avahi for package: nss-mdns-0.10-13.fc20.x86_64
--> Running transaction check
---> Package avahi.x86_64 0:0.6.31-21.fc20 will be installed
---> Package kde-settings-kdm.noarch 0:20-12.fc20 will be installed
---> Package kdm.x86_64 0:4.11.3-1.fc20 will be installed
--> Processing Dependency: libkworkspace(x86-64) = 4.11.3-1.fc20 for package: kdm-4.11.3-1.fc20.x86_64
--> Processing Dependency: kgreeter-plugins = 4.11.3-1.fc20 for package: kdm-4.11.3-1.fc20.x86_64
--> Finished Dependency Resolution
Error: Package: kdm-4.11.3-1.fc20.x86_64 (fedora)
           Requires: kgreeter-plugins = 4.11.3-1.fc20
           Installed: kgreeter-plugins-4.11.3-5.fc20.x86_64 (@updates-testing)
               kgreeter-plugins = 4.11.3-5.fc20
           Available: kgreeter-plugins-4.11.3-1.fc20.x86_64 (fedora)
               kgreeter-plugins = 4.11.3-1.fc20
Error: Package: kdm-4.11.3-1.fc20.x86_64 (fedora)
           Requires: libkworkspace(x86-64) = 4.11.3-1.fc20
           Installed: libkworkspace-4.11.3-5.fc20.x86_64 (@updates-testing)
               libkworkspace(x86-64) = 4.11.3-5.fc20
           Available: libkworkspace-4.11.3-1.fc20.x86_64 (fedora)
               libkworkspace(x86-64) = 4.11.3-1.fc20
 You could try using --skip-broken to work around the problem
 You could try running: rpm -Va --nofiles --nodigest