~$ sudo apt install --reinstall gnome-panel Reading package lists... Done Building dependency tree... Done Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation:
The following packages have unmet dependencies. gnome-panel : Depends: libecal-2.0-3 (>= 3.45) but it is not installable Depends: libedataserver-1.2-27t64 (>= 3.45) but it is not installable E: Unable to correct problems, you have held broken packages. ~$ sudo apt install --reinstall gnome-panel libecal-2.0-3 libedataserver-1.2-27t64 Reading package lists... Done Building dependency tree... Done Reading state information... Done Package libecal-2.0-3 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source Package libedataserver-1.2-27t64 is not available, but is referred to by another package. This may mean that the package is missing, has been obsoleted, or is only available from another source E: Package 'libecal-2.0-3' has no installation candidate E: Package 'libedataserver-1.2-27t64' has no installation candidate -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2059498 Title: Fatally broken update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2059498/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs