Version-Release number of selected component:
firewall-config-0.3.1-1.fc19

Additional info:
cmdline:        /usr/bin/python /usr/bin/firewall-config
executable:     /usr/bin/firewall-config
kernel:         3.9.0-0.rc6.git1.2.fc20.x86_64
runlevel:       N 5
uid:            1000
ureports_counter: 1

Truncated backtrace:
Gtk.py:527:format_secondary_markup:TypeError: expected string or Unicode object, DBusException found

Traceback (most recent call last):
  File "/usr/bin/firewall-config", line 683, in service_toggle_cb
    zone.update(settings)
  File "<string>", line 2, in update
  File "/usr/lib/python2.7/site-packages/slip/dbus/polkit.py", line 103, in _enable_proxy
    return func(*p, **k)
  File "<string>", line 2, in update
  File "/usr/lib/python2.7/site-packages/firewall/client.py", line 53, in handle_exceptions
    exception_handler(e)
  File "/usr/bin/firewall-config", line 512, in _error
    buttons=((_("Retry"), 0),("gtk-quit", 1))) == 1:
  File "/usr/bin/firewall-config", line 489, in _dialog
    dialog.format_secondary_markup(msg)
  File "/usr/lib64/python2.7/site-packages/gi/overrides/Gtk.py", line 527, in format_secondary_markup
    self.set_property('secondary-text', message_format)
TypeError: expected string or Unicode object, DBusException found

Local variables in innermost frame:
self: <MessageDialog object at 0x1bd7a00 (GtkMessageDialog at 0x1d16100)>
message_format: DBusException('must be unicode, not str',)