Version-Release number of selected component:
cinnamon-3.8.1-1.fc28

Additional info:
reporter:       libreport-2.9.5
cmdline:        /usr/bin/python3 /usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py
crash_function: __call__
exception_type: GLib.GError
executable:     /usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py
interpreter:    python3-3.6.5-1.fc28.x86_64
kernel:         4.16.5-300.fc28.x86_64+debug
runlevel:       N 5
type:           Python3
uid:            0

Truncated backtrace:
Gio.py:204:__call__:GLib.GError: g-dbus-error-quark: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.cinnamon.SettingsDaemon.Power was not provided by any .service files (2)

Traceback (most recent call last):
  File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 553, in button_press
    self.side_view_nav(widget, None, category)
  File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 119, in side_view_nav
    self.go_to_sidepage(cat, filtered_path)
  File "/usr/share/cinnamon/cinnamon-settings/cinnamon-settings.py", line 133, in go_to_sidepage
    sidePage.build()
  File "/usr/share/cinnamon/cinnamon-settings/bin/SettingsWidgets.py", line 123, in build
    self.module.on_module_selected()
  File "/usr/share/cinnamon/cinnamon-settings/modules/cs_power.py", line 118, in on_module_selected
    device_types = [x[UP_TYPE] for x in self.csd_power_proxy.GetDevices()]
  File "/usr/lib64/python3.6/site-packages/gi/overrides/Gio.py", line 204, in __call__
    None)
GLib.GError: g-dbus-error-quark: GDBus.Error:org.freedesktop.DBus.Error.ServiceUnknown: The name org.cinnamon.SettingsDaemon.Power was not provided by any .service files (2)

Local variables in innermost frame:
arg_variant: GLib.Variant('()', ())
signature: '()'
kwargs: {}
args: ()
self: <gi.overrides.Gio._DBusProxyMethodCall object at 0x7f7ee0498630>