You can find that ID in /var/lib/whoopsie/whoopsie-id . That file is only readable by root though. I guess they thought that it was security/privacy problem to allow other people to easily associate reported errors with a particular computer/person.
See also https://wiki.ubuntu.com/ErrorTracker (which doesn't mention the whoopsie ID right now) -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in Ubuntu. https://bugs.launchpad.net/bugs/1698035 Title: gnome-control-center lacks any replacement for unity-control-center's Diagnostics tab for managing crash reports To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-control-center/+bug/1698035/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs