The main domain minaelproject.epizy.com is working fine but the subdomain sell.minaelproject.epizy.com showing this error on the index page:
“An Error Occurred: Services for this domain name have been disabled.”
Any domain name change, DNS change, nameserver change or account allocation change is affected by DNS caching. And DNS caching means that it can take up to 72 hours for a updated domain to come online everywhere.
This article explains why this happens and provides some workarounds: