Refer the following steps:-
1) Login to WHM >> Dns Functions >> Delete a DNS Zone
Delete the addon domain’s zone in question.
2) Login to the server as root user and delete the virtual entry for the same addon domain from the /etc/httpd/conf/httpd.conf
3) Login to the Cpanel and add the addon domain with same directory name as it was earlier..
If you have any further issues, questions, or would like some assistance checking on this or anything else, please reach out to us from your my.hivelocity.net account and provide your server credentials within the encrypted field for the best possible security and support.
If you are unable to reach your my.hivelocity.net account or if you are on the go, please reach out from your valid my.hivelocity.net account email to us here at: support@hivelocity.net. We are also available to you through our phone and live chat system 24/7/365.