unable to sign up new users in Zoho One People or Admin

unable to sign up new users in Zoho One People or Admin

I have attempted 10 times over the last 5 days to sign up JUST ONE new Employee in your People and/or Admin Tool.  when the New Employee get's "unable " screen from Zoho, I have deleted the account and started over... with no success....   VERY POOR 1st time Experience.  NOW WHAT?