This sounds like the issue I just encountered with Picard. In my case, I selected two identified albums (same album, different release dates I guess) and clicked 'cluster' shortly before the crash report appeared.
I'm using lucid, 64bit. apt-cache policy picard picard: Installed: 0.12.1-0ubuntu1 Candidate: 0.12.1-0ubuntu1 Version table: *** 0.12.1-0ubuntu1 0 500 http://archive.ubuntu.com/ubuntu/ lucid/universe Packages 100 /var/lib/dpkg/status -- picard crashed with KeyError in update_object() https://bugs.launchpad.net/bugs/268809 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs