Removing indi-dbg (1.7.4~201808180610~ubuntu16.04.1) ...
Removing kactivities (5.18.0-0ubuntu1) ...
Removing kstars-bleeding-dbg (6:2.9.8+201808180747~ubuntu16.04.1) ...
Removing kstars-bleeding (6:2.9.8+201808180747~ubuntu16.04.1) ...
Removing libindi1:amd64 (1.7.4~201808180610~ubuntu16.04.1) ...
Removing indi-bin (1.7.4~201808180610~ubuntu16.04.1) ...
dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  bamfdaemon -> libc-bin
 packages' pending triggers which are or may be unresolvable:
  grace: /usr/share/fonts/type1
  systemd: /etc/init.d
  doc-base: /usr/share/doc-base
  libc-bin: ldconfig
  bamfdaemon: /usr/share/applications
  tex-common: /usr/share/texmf
  ufw: /etc/ufw/applications.d
dpkg: error processing package grace (--remove):
 triggers looping, abandoned