When I try to update Fedore I get the following--any ideas

[SES]

When I try to update Fedore I get the following--any ideas what this
is???

Thanks all! Fedora is terrific!

SES

Traceback (most recent call last):
  File "/usr/share/PackageKit/helpers/yum/yumBackend.py", line 2333, in
_update_packages
    txmbr = self.yumbase.update(po=pkg)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 4571, in
update
    updated_pkg =  self.getInstalledPackageObject(updated)
  File "/usr/lib/python2.7/site-packages/yum/__init__.py", line 3563, in
getInstalledPackageObject
    raise Errors.RpmDBError, _('Package tuple $s could not be found in
rpmdb') $ str(pkgtup)
RpmDBError: Package tuple ('libpurple', 'x86_64', '0', '2.10.2',
'1.fc17') could not be found in rpmdb

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