/usr/lib/policykit-1/polkitd:11:polkit_backend_config_source_ensure:polkit_backend_config_source_get_string_list:polkit_backend_local_authority_get_admin_auth_identities:authentication_agent_initiate_challenge:polkit_backend_interactive_authority_check_authorization

[errors.ubuntu.com bug bridge]

The Ubuntu Error Tracker has been receiving reports about a problem regarding policykit-1. This problem was most recently seen with package version 0.105-25, the problem page at https://errors.ubuntu.com/problem/d338a615dec289620a3349c6e2f857ee18580d68 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/.