/usr/bin/shutter:11:poll:g_main_context_poll:g_main_context_iterate:g_main_loop_run:gdbus_shared_thread_func

The Ubuntu Error Tracker has been receiving reports about a problem regarding shutter. This problem was most recently seen with package version 0.93.1-2, the problem page at https://errors.ubuntu.com/problem/1b7d5d11197f357dea7986979efbd4f05513c700 contains more details, including versions of packages affected, stacktrace or traceback, and individual crash reports.
If you do not have access to the Ubuntu Error Tracker and are a software developer, you can request it at http://forms.canonical.com/reports/.