Server cannot register to Red Hat satellite with "TypeError, "cannot marshal None unless allow_none is enabled"

Issue

1. Edit the file /etc/sysconfig/rhn/up2date to point the Test server to the Red Hat Satellite
2. Download the SSL certificate to from Red Hat Satellite to STRM09/test server
3. Server cannot register to Red Hat satellite with following error:

[Thu Jan 22 12:08:53 2015] up2date
Traceback (most recent call last):
  File "/usr/sbin/rhnreg_ks", line 219, in <module>
    cli.run()
  File "/usr/share/rhn/up2date_client/rhncli.py", line 74, in run
    sys.exit(self.main() or 0)
  File "/usr/sbin/rhnreg_ks", line 136, in main
    other = other)
  File "/usr/share/rhn/up2date_client/rhnreg.py", line 371, in registerSystem
    ret = s.registration.new_system(auth_dict)
  File "/usr/share/rhn/up2date_client/rhnserver.py", line 50, in __call__
    return rpcServer.doCall(method, *args, **kwargs)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 206, in doCall
    ret = method(*args, **kwargs)
  File "/usr/lib/python2.6/xmlrpclib.py", line 1199, in __call__
    return self.__send(self.__name, args)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 39, in _request1
    ret = self._request(methodname, params)
  File "/usr/lib/python2.6/site-packages/rhn/rpclib.py", line 379, in _request
    request = self._req_body(self._strip_characters(params), methodname)
  File "/usr/lib/python2.6/site-packages/rhn/rpclib.py", line 234, in _req_body
    return xmlrpclib.dumps(params, methodname, encoding=self._encoding)
  File "/usr/lib/python2.6/xmlrpclib.py", line 1132, in dumps
    data = m.dumps(params)
  File "/usr/lib/python2.6/xmlrpclib.py", line 677, in dumps
    dump(v, write)
  File "/usr/lib/python2.6/xmlrpclib.py", line 699, in __dump
    f(self, value, write)
  File "/usr/lib/python2.6/xmlrpclib.py", line 780, in dump_struct
    dump(v, write)
  File "/usr/lib/python2.6/xmlrpclib.py", line 699, in __dump
    f(self, value, write)
  File "/usr/lib/python2.6/xmlrpclib.py", line 703, in dump_nil
    raise TypeError, "cannot marshal None unless allow_none is enabled"
<type 'exceptions.TypeError'>: cannot marshal None unless allow_none is enabled