Not allowed to create new zones at this time.Help Me

I tried to add my domain “” on cloudflare but it’s not adding it. Show me this message [You are not allowed to create new zones at this time. If you are an Enterprise customer, please contact your Customer Success Manager. Otherwise, please email [email protected] for more assistance]. Previously I used this same domain cloudflare, for some reason I changed the nameserver after that im unsbla to add this domain on cloudflare again.
I Open TIcket ID : #3032069
Help me

As the message says, you need to…

" please email [email protected] for more assistance"