Cannot add Email address

Cannot add Email address

Hi there, I created Zoho email, verified the domain but I cannot add email, I am getting:

You do not have permissions to create this account in Zoho Mail. Reach us at support-as@zohocorp.com for further assistance.

By domain is  scprivatebanking.com  and I have paid for 3 license to add 2 other domains.

I have used all channel I know to contact you for the past 5 days before I remember I can use my own personal account. This is unacceptable and my client is angry.

`Please do somehting about this, I am begging.

Thanks