1. Take the backup of /var/cpanel/userdata
	# cp /var/cpanel/userdata /var/cpanel/userdata.bak
	2. Run /usr/local/cpanel/bin/userdata_update –reset so that /var/cpanel/userdata can be regenerated.
	# /usr/local/cpanel/bin/userdata_update –reset
	3. After doing this rebuilt the userdatacache by running
	# /usr/local/cpanel//scripts/updateuserdatacache --force
	5. Rebuild Apache conf
	# /usr/local/cpanel/bin/build_apache_conf
	6. Restart Apache.
	# /etc/init.d/httpd stop
	# /etc/init.d/httpd start