I searched for the answers
Ray ID: 75270c881d0307ba • 2022-09-29 19:15:41 UTC
CNAME Cross-User Banned
I searched the database of errors but I wasn’t able to find another site configured with the same name server. I also deleted the nameserver from a domain setup in namecheap.
Was the site working with SSL prior to adding it to Cloudflare?
try to hit the domain to recreate the error
Have you tried from another browser and/or incognito mode?