Sorry for the late response. I attached the output of: root@axiom:/etc/apt/sources.list.d# cat * > ~/dump
** Attachment added: "dump" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1275976/+attachment/3991570/+files/dump -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1275976 Title: do-dist-upgrade fails. Fatal error. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1275976/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs