yum error on fedora 7 x86_64

I installed whole system from the beginning and did `yum -y update' also.
After reboot while doing `yum -y update' again getting follow error:
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package kdebindings.i386 0:3.5.7-1.fc7.1 set to be updated
--> Processing Dependency: perl(DCOP) for package: kdesdk
Traceback (most recent call last):
   File "/usr/bin/yum", line 29, in <module>
     yummain.main(sys.argv[1:])
   File "/usr/share/yum-cli/yummain.py", line 135, in main
     (result, resultmsgs) = base.buildTransaction()
   File "/usr/lib/python2.5/site-packages/yum/__init__.py", line 540, in 
buildTransaction
     (rescode, restring) = self.resolveDeps()
   File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 885, in resolveDeps
     (checkdep, missing, conflict, errormsgs) = self._processReq(dep, 
prcoformat_need)
   File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 334, in _processReq
     requirementTuple, errormsgs)
   File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 469, in 
_requiringFromInstalled
     return self._requiringFromTransaction(reqpkg, requirement, errorlist)
   File "/usr/lib/python2.5/site-packages/yum/depsolve.py", line 574, in 
_requiringFromTransaction
     reqpkg = self.tsInfo.matchNaevr(name=name, ver=version, rel=release)[0]
IndexError: list index out of range