Spacewalk - yum fails

[root@p7-1456c jmirman]# yum info php
Loaded plugins: rhnplugin
This system is receiving updates from RHN Classic or Red Hat Satellite.
adobe-linux                                              |  871 B     00:00
adobe-linux/primary                                      |  11 kB     00:00
adobe-linux                                                               21/21
dropbox                                                  |  871 B     00:00
dropbox/primary                                          | 1.5 kB     00:00
dropbox                                                                     4/4
fedora18-x86-64                                          | 1.3 kB     00:00
fedora18-x86-64/primary                                  |  24 MB     00:00
fedora18-x86-64: [##############################                  ] 46311/71954Traceback (most recent call last):
  File "/bin/yum", line 29, in <module>
    yummain.user_main(sys.argv[1:], exit_code=True)
  File "/usr/share/yum-cli/yummain.py", line 319, in user_main
    errcode = main(args)
  File "/usr/share/yum-cli/yummain.py", line 144, in main
    result, resultmsgs = base.doCommands()
  File "/usr/share/yum-cli/cli.py", line 485, in doCommands
    return self.yum_cli_commands[self.basecmd].doCommand(self, self.basecmd, self.extcmds)
  File "/usr/share/yum-cli/yumcommands.py", line 546, in doCommand
    ypl = base.returnPkgLists(extcmds, installed_available=highlight)
  File "/usr/share/yum-cli/cli.py", line 1264, in returnPkgLists
    ignore_case=True)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 2681, in doPackageLists
    avail = self.pkgSack.returnNewestByNameArch(patterns=patterns,
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 1014, in <lambda>
    pkgSack = property(fget=lambda self: self._getSacks(),
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 780, in _getSacks
    self.repos.populateSack(which=repos)
  File "/usr/lib/python2.7/site-packages/yum/repos.py", line 352, in populateSack
    sack.populate(repo, mdtype, callback, cacheonly)
  File "/usr/lib/python2.7/site-packages/yum/yumRepo.py", line 257, in populate
    dobj = repo_cache_function(xml, csum)
  File "/usr/lib64/python2.7/site-packages/sqlitecachec.py", line 46, in getPrimary
    self.repoid))
TypeError: Parsing primary.xml error: Input is not proper UTF-8, indicate encoding !
Bytes: 0xE1 0x33 0x61 0x62