SYNC ERROR: unhandled exception occurred; Exception: Package Not Found in Cache, Clear the Cache to Regenerate it.

Issue

• The following error message is displayed

18:02:16 
SYNC ERROR: unhandled exception occurred:

Exception reported from localhost
Time: Mon Jan 13 18:02:16 2014
Exception type exceptions.Exception

Exception Handler Information
Traceback (most recent call last):
  File "/usr/bin/satellite-sync", line 139, in main
    return satsync.Runner().main()
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 225, in main
    ret = method()
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 339, in _step_packages
    self._affected_channels = self.syncer.import_packages()
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 1605, in import_packages
    [sources])
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 1579, in _proces_batch
    prompt, nevermorethan, process_function_args)
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 1559, in _processWithProgressBar
    process_function(chunk, *process_function_args)
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 1582, in _import_packages_process
    batch = self._get_cached_package_batch(chunk, sources)
  File "/usr/lib/python2.4/site-packages/spacewalk/satellite_tools/satsync.py", line 1657, in _get_cached_package_batch
    raise Exception(_("Package Not Found in Cache, Clear the Cache to \
Exception: Package Not Found in Cache, Clear the Cache to                        Regenerate it.