/usr/bin/gnome-shell:6:__GI_raise:__GI_abort:g_assertion_message:g_assertion_message_cmpnum:st_image_content_get_preferred_size

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding gnome-shell. This problem was most recently seen with package version 3.31.92-1ubuntu1, the problem page at https://errors.ubuntu.com/problem/40bb6815b23393e7dfa95f5895de4b0603ac431b 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/.