CentOS Webpanel(CWP) Installation Perquisite : Install Latest EPEL Release

At First, Update your Base Repository ,then install latest EPEL

# yum update -y 

Reboot The Machine
# reboot

# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY*
# yum -y install epel-release

Run Update again & Check
# yum update -y 
# yum repolist 

If you have getting any error then run:

# yum clean all
# rm -rf /var/cache/yum

# yum update -y
# yum repolist