"this domain is not supported or already registered with zoho"

"this domain is not supported or already registered with zoho"

Hello,

I was trying to setup the following domain chatterjeesurgical.com in the process it asked me for OTP verification, but I waited for 30 minutes and I didn't receive any OTP in my mobile. During the process I initially gave admin@chatterjeesurgical.com as email for admin account.

Now when I am trying to initiate the process again it says that "this domain is not supported or already registered with zoho" and if I am trying to login with the administrator email account it says that it is not registered, please help I am really stuck bad.

Thanks & Regards
Rahul