That sort of error usually occurs because of a badly formatted package installed from a third-party source (but can occur due to other reasons as well). What's the paragraph immediately before the indicated line?
-- auto complete broke with apt-get remove https://bugs.launchpad.net/bugs/620181 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