g_settings_get_value: assertion 'G_IS_SETTINGS (settings)' failed

Using the current wily version those warnings are displayed in syslog

You can trigger it by running "unity-scope-loader applications/applications.scope"

bt of the warning

#0 0xffffffff in g_log (log_domain=0xb7a78ad8 "GLib-GIO", log_level=G_LOG_LEVEL_CRITICAL, format=0xb7df1a7c "%s: assertion '%s' failed")
    at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./glib/gmessages.c:1115
#1 0xffffffff in g_return_if_fail_warning (log_domain=0xb7a78ad8 "GLib-GIO", pretty_function=0xb7a98714 <__func__.13931> "g_settings_get_value", expression=0xb7a983fb "G_IS_SETTINGS (settings)")
    at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./glib/gmessages.c:1128
#2 0xffffffff in g_settings_get_value (settings=0x0, key=0xb7f4f565 "favorites") at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gsettings.c:1198
#3 0xffffffff in g_settings_get_strv (settings=0x0, key=0xb7f4f565 "favorites") at /build/glib2.0-Lm6jKr/glib2.0-2.45.7/./gio/gsettings.c:2069
#4 0xffffffff in unity_launcher_favorites_reset_fav_cache (self=self@entry=0x83a6ab8 [UnityLauncherFavorites]) at unity-launcher.c:1787
#5 0xffffffff in unity_launcher_favorites_get_default (object_type=<optimized out>) at unity-launcher.c:1615
#6 0xffffffff in unity_launcher_favorites_get_default ()
    at unity-launcher.c:1628