Ubiquity 2.18.8

(ubiquity:2279): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion '!g_slist_find (group, radio_button)' failed

(ubiquity:2279): Gtk-CRITICAL **: gtk_radio_button_set_group: assertion '!g_slist_find (group, radio_button)' failed
update_release_notes_label()
update_release_notes_label()
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1125 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1224 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1288 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1344 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1381 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-timezone.py:208: Warning: Source ID 1407 was not found when attempting to remove it
  GLib.source_remove(self.timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:116: Warning: Source ID 1510 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:116: Warning: Source ID 1540 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:138: Warning: Source ID 1513 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:116: Warning: Source ID 1775 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:138: Warning: Source ID 1569 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:116: Warning: Source ID 1811 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:138: Warning: Source ID 1802 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:116: Warning: Source ID 1843 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:138: Warning: Source ID 1835 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:72: Warning: Source ID 1852 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_layout_timeout_id)
/usr/lib/ubiquity/plugins/ubi-console-setup.py:74: Warning: Source ID 1861 was not found when attempting to remove it
  GLib.source_remove(self.keyboard_variant_timeout_id)
/usr/lib/ubiquity/plugins/ubi-usersetup.py:408: Warning: Source ID 2102 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)
/usr/lib/ubiquity/plugins/ubi-usersetup.py:408: Warning: Source ID 2119 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)
/usr/lib/ubiquity/plugins/ubi-usersetup.py:408: Warning: Source ID 2133 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)
/usr/lib/ubiquity/plugins/ubi-usersetup.py:408: Warning: Source ID 2145 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)
/usr/lib/ubiquity/plugins/ubi-usersetup.py:408: Warning: Source ID 2162 was not found when attempting to remove it
  GLib.source_remove(self.hostname_timeout_id)