I got the same issue when I added 2 repositories Vivid and Wily My system is Trusty based and I have set APT::Default-Release "trusty"; in /etc/apt/apt.conf
I fix it by upgrading apt with command sudo apt-get -t vivid install apt/vivid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1404783 Title: warnings from apt: W: Unknown Multi-Arch type 'no' for package 'compiz-core' To manage notifications about this bug go to: https://bugs.launchpad.net/apt/+bug/1404783/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
