*** This bug is a duplicate of bug 1611737 *** https://bugs.launchpad.net/bugs/1611737
** This bug has been marked a duplicate of bug 1611737 Can't upgrade from a release if ros packages are installed from ROS servers -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1831547 Title: cant ugrade from 16.04 to 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1831547/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs