So, 1.5.1 is from artful (and that's EOL), and 1.2.29 is from xenial. Partial upgrades are not supported. I suggest you find some help returning your system to xenial, such as forums, mailing lists, or IRC.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1644643 Title: apt failed to run due to link time reference error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1644643/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
