If phpMyAdmin is displaying an error or inaccessible and you cannot find another reason for this, it may be that some of the configuration files are corrupted. In that case, it's best to reinstall the phpMyAdmin RPM.
- Access the server's command line as the 'root' user via SSH or "Terminal" in WHM.
- Use the
rpmcommand to remove the cpanel-phpmyadmin package.
rpm -e --nodeps cpanel-phpmyadmin
- Run the check_cpanel_pkgs script to reinstall the cpanel-phpmyadmin package.