apt 1.2.15ubuntu0.2 properly depends on libapt-pkg5.0 (>= 1.2.15ubuntu0.2), so assuming that this apt is installed, and the system is not broken, this must be working (as it passed verification).
In any case, this bug is incomplete, as it does not clearly mention which versions of apt, libapt-pkg5.0 are installed. ** Changed in: apt (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1644643 Title: apt failed to run due to link time reference error Status in apt package in Ubuntu: Incomplete Bug description: After update apt and its related library to 1.2.15 from 1.2.10ubuntu1, I get following message when I try to invoke apt: apt-get: relocation error: /usr/lib/x86_64-linux-gnu/libapt- private.so.0.0: symbol _ZlsRSoRKN3APT9PrettyPkgE, version APTPKG_5.0 not defined in file libapt-pkg.so.5.0 with link time reference 1.2.10 do not have this problem. Now I manually downgrade from 1.2.15 to 1.2.10 to solve this problem. Ubuntu release: Description: Ubuntu 16.04.1 LTS Release: 16.04 what I expect to happen: apt would show the helper message what happened instead: apt shows me the line on above To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1644643/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp