i'm VERY newbie...running centOS 5 new kernel
Lately (2 days or so), anytime i run an rpm install i get error messages galore ending in 'epoch'

for instance, running yum update gives:
Loading "installonlyn" plugin
Setting up Update Process
Setting up repositories
Reading repository metadata in from local files
rpmforge : 1/7838Traceback (most recent call last):
File "/usr/bin/yum", line 29, in ?
yummain.main(sys.argv[1:])
File "/usr/share/yum-cli/yummain.py", line 94, in main
result, resultmsgs = base.doCommands()
File "/usr/share/yum-cli/cli.py", line 381, in doCommands
return self.yum_cli_commands[self.basecmd].doCommand(self, self.basecmd, self.extcmds)
File "/usr/share/yum-cli/yumcommands.py", line 150, in doCommand
return base.updatePkgs(extcmds)
File "/usr/share/yum-cli/cli.py", line 672, in updatePkgs
self.doRepoSetup()
File "/usr/share/yum-cli/cli.py", line 109, in doRepoSetup
self.doSackSetup(thisrepo=thisrepo)
File "/usr/lib/python2.4/site-packages/yum/__init__.py", line 338, in doSackSetup
self.repos.populateSack(which=repos)
File "/usr/lib/python2.4/site-packages/yum/repos.py", line 200, in populateSack
sack.populate(repo, with, callback, cacheonly)
File "/usr/lib/python2.4/site-packages/yum/yumRepo.py", line 91, in populate
dobj = repo.cacheHandler.getPrimary(xml, csum)
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 100, in getPrimary
return self._getbase(location, checksum, 'primary')
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 93, in _getbase
self.updateSqliteCache(db, parser, checksum, metadatatype)
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 368, in updateSqliteCache
self.addPrimary(pkgId, package, cur)
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 257, in addPrimary
pkgKey = self.insertHash('packages', PackageToDBAdapter(package), cur)
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 204, in insertHash
values = hash.values()
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 459, in values
out.append(self[k])
File "/usr/lib/python2.4/site-packages/yum/sqlitecache.py", line 451, in __getitem__
return self._pkg[self.NAME_MAPS.get(k, k)]
File "/usr/lib/python2.4/site-packages/yum/mdparser.py", line 69, in __getitem__
return self._p[k]
KeyError: 'epoch'
...can anyone explain...is python the problem?
thanks in advance for not calling me stupid.
-kjm