[root@netserv ~]# yam -u
rhel4as-x86_64: Updating Red Hat Advanced Server 4 (x86_64)
Traceback (most recent call last):
  File "/usr/bin/rhnget", line 386, in ?
    main()
  File "/usr/bin/rhnget", line 367, in main
    mirrorrhn(op.uri, op.destination)
  File "/usr/bin/rhnget", line 323, in mirrorrhn
    package_list, type = rpcServer.doCall(repos.listPackages, channel, None, None)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 236, in doCall
    ret = apply(method, args, kwargs)
  File "/usr/share/rhn/up2date_client/repoDirector.py", line 22, in listPackages
    return self.handlers[channel['type']].listPackages(channel, msgCallback, progressCallback)
KeyError: 'up2date'
yam: Mirroring failed for rhn://xmlrpc.rhn.redhat.com/rhel-x86_64-as-4-extras with message:
  Failed with return code: 256
Traceback (most recent call last):
  File "/usr/bin/rhnget", line 386, in ?
    main()
  File "/usr/bin/rhnget", line 367, in main
    mirrorrhn(op.uri, op.destination)
  File "/usr/bin/rhnget", line 323, in mirrorrhn
    package_list, type = rpcServer.doCall(repos.listPackages, channel, None, None)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 236, in doCall
    ret = apply(method, args, kwargs)
  File "/usr/share/rhn/up2date_client/repoDirector.py", line 22, in listPackages
    return self.handlers[channel['type']].listPackages(channel, msgCallback, progressCallback)
KeyError: 'up2date'
yam: Mirroring failed for rhn://xmlrpc.rhn.redhat.com/rhel-x86_64-as-4-fastrack with message:
  Failed with return code: 256
Traceback (most recent call last):
  File "/usr/bin/rhnget", line 386, in ?
    main()
  File "/usr/bin/rhnget", line 367, in main
    mirrorrhn(op.uri, op.destination)
  File "/usr/bin/rhnget", line 323, in mirrorrhn
    package_list, type = rpcServer.doCall(repos.listPackages, channel, None, None)
  File "/usr/share/rhn/up2date_client/rpcServer.py", line 236, in doCall
    ret = apply(method, args, kwargs)
  File "/usr/share/rhn/up2date_client/repoDirector.py", line 22, in listPackages
    return self.handlers[channel['type']].listPackages(channel, msgCallback, progressCallback)
KeyError: 'up2date'
yam: Mirroring failed for rhn://xmlrpc.rhn.redhat.com/rhel-x86_64-as-4 with message:
  Failed with return code: 256