To create a contact, you must have a customer to add them to.
Please ensure that the customer belongs to you, and then you may add a contact to them by following these steps:
Press the plus button & select contact.
You will then be presented with this screen where you will need to select the customer to which this contact will belong.
You can fill in all of the information that you have for the contact.
When you are satisfied that all of the information is correct you must press CREATE.