"Error -3 while decompressing: invalid block type" when running Inter-Satellite Sync

Issue

• ran inter satellite sync and got the following error:

  # satellite-sync --iss-parent=<parent-satellite.example.com --ca-cert=/path/PARENT-RHN-ORG-TRUSTED-SSL-CERT -c rhel-x86_64-server-5
  [...]
  15:36:11 Retrieving / parsing channel data
  Exception reported from gdcul3207
  Time: Fri Apr  8 15:36:12 2011
  Exception type zlib.error
  
  Exception Handler Information
  Traceback (most recent call last):
    File "/usr/share/rhn/satellite_tools/xmlSource.py", line 132, in process
      self.__parser.parse(self.__stream)
    File "/usr/lib64/python2.4/site-packages/_xmlplus/sax/expatreader.py", line 109, in parse
      xmlreader.IncrementalParser.parse(self, source)
    File "/usr/lib64/python2.4/site-packages/_xmlplus/sax/xmlreader.py", line 124, in parse
      buffer = file.read(self._bufsize)
    File "/usr/lib/python2.4/site-packages/rhn/transports.py", line 797, in read
      return self.file_obj.read(amt)
    File "/usr/lib64/python2.4/gzip.py", line 225, in read
      self._read(readsize)
    File "/usr/lib/python2.4/site-packages/gzipstream.py", line 174, in _read
      uncompress = self.decompress.decompress(buf)
  error: Error -3 while decompressing: invalid block type