You do not have permission to create subdomains of the server's hostname

Getting the following error while creating the subdomain in the cPanel:

You do not have permission to create subdomains of the server's hostname

Solution:

• Login to the "WHM" >> Go to "Server Configuration" >> Then go to "Tweak Settings"
• Enable the Following option in the "Tweak Settings": 
     Allow users to park subdomains of the server’s hostname.