AttributeError: BatchRun instance has no attribute 'applicableSskippedPackages'

Traceback (most recent call last):
  File "/usr/sbin/rhn_check", line 346, in ?
    handle_action(action)
  File "/usr/sbin/rhn_check", line 219, in handle_action
    (status, message, data) = run_action(method, params)
  File "/usr/sbin/rhn_check", line 174, in run_action
    (status, message, data) = do_call(method, params)   
  File "/usr/sbin/rhn_check", line 91, in do_call
    retval = apply(method, params)
  File "/usr/share/rhn/actions/errata.py", line 58, in update
    return packages.update(packagelist)
  File "/usr/share/rhn/actions/packages.py", line 359, in update
    ret = _catchErrors(batchRun, "packages.update", (0, pkgList))
  File "/usr/share/rhn/actions/packages.py", line 195, in _catchErrors
    ret = apply(method, args)
  File "/usr/share/rhn/actions/packages.py", line 398, in batchRun
    actionPkgs = pkgList)
  File "/usr/share/rhn/up2date_client/wrapper.py", line 1177, in batchRun
    batch.applicableSskippedPackages)
AttributeError: BatchRun instance has no attribute 'applicableSskippedPackages'