/usr/bin/gnome-shell:11:g_type_check_instance_cast:st_label_set_text:object_set_property:g_object_setv:g_object_set_property

[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 3.26.1-0ubuntu3, the problem page at https://errors.ubuntu.com/problem/1c95cc2653ab00054b5d1764e41d974328a5f49d 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/.