Mock build problem

[cranium2003]

Hi,
     I used fedora-mirror.py and downloaded all
repository of FC5 core. Then i created repository on
downloaded rpms by 
createrepo Fedora
Then i modified fedora-5-i386-core.cfg to have my
localpath of repository to be used to build package in
mock. But still facing issue

e.g. when i did su- build and tried to rebuild
kdenetwork application i got 
====================================================
[build at localhost SRPMS]$ mock -r
fedora-5-i386-core.cfg kdenetwork-3.5.3-2.src.rpm
init
clean
prep
This may take a while
Error peforming yum command: /usr/sbin/mock-helper yum
--installroot
/var/lib/mock/fedora-development-i386-core/root
groupinstall build-minimal build-base build
ending
done
========================================================

I am attaching my mock, log files here.
    wht now i need to use mock command on local system
to build package

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