Red Hat Enterprise Linux 6.3 system shows "no such table: changelog" error message after login.

Issue

• Getting error following error message after login.

There was a problem connecting to a software source.  Please check the detailed error for further details 
no such table: changelog

usr/sbin/subscription-manager-gui:31: DeprecationWarning: The dbus_bindings
module is not public API and will go away soon.

Most uses of dbus_bindings are applications catching the exception
dbus.dbus_bindings.DBusException. You should use dbus.DBusException
instead (this is compatible with all dbus-python versions since 0.40.2).

If you need additional public API, please contact the maintainers via
<dbus lists freedesktop org>.

  import dbus.dbus_bindings
/usr/share/rhsm/subscription_manager/gui/widgets.py:245: Warning:
g_object_unref: assertion `G_IS_OBJECT (object)' failed
  self.glade.get_widget(widget_prefix + "_text").destroy()