/usr/bin/update-notifier:5:g_settings_schema_get_value:g_settings_schema_key_init:g_settings_get_value:g_settings_get_boolean:check_livepatch

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding update-notifier. This problem was most recently seen with package version 3.192.7, the problem page at https://errors.ubuntu.com/problem/e0a006fe9f6a6a024a33a2c5a4293428c84d7de7 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/.

[Sebastien Bacher (seb128)]

The schemas is part of the application so those are likely local installation problems (like outdated local schemas missing that key used instead of the package one)