This user is not allowed to add in Zoho. Please contact support-as@zohocorp.com for further details

Hello Team,

I've been trying to add a new email account to my other domain and get this error

"This user is not allowed to add in Zoho. Please contact support-as@zohocorp.com for further details"

Please help resolve promptly. It is urgent.

Thank you,

Chloe