can't add new fields to contact

can't add new fields to contact

Two different machines, four different attempts... we can't add new fields to our contact DB/ field list.

The add field page refreshes and still has data in the field. When we go here:
The field we wanted to create is not there:
http://crm.zoho.com/crm/PageLayout.do?module=Contacts


No error message on our side.

Please advise...
Dennis Daniels