Have you seen an error such as "
domainadmin-domainexistsglobal" when you attempted to add a add-on or sub-domain to cPanel?
Check the DNS zone of the corresponding (main ) domain and see whether there is any DNS record is already added for the addon or sub-domain that you are trying to add.
If it exists, make sure that there is not a sub-domain that is present and also related to the same name in your cPanel;
If it does exist, you cannot add the new domain up until you remove it and thus the corresponding entries in DNS zone.
If no sub-domin exists but a DNS entry exists, that’s probably a left-over of any previous domain management activity. So simply remove it and add your new domain, it should work.
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