How do I submit individual or groups at one time a link to the form that I have created?

I was successfully able to submit a form to a client, but when I went back to send another, the SEND INVITATION button would not allow me to do so.  Am I doing something wrong?  I would like to know how to send to an individual email and then to a group of emails?

I have attached a copy of the screen.

Thank you. 

Thanks for contacting us. Manually type the email address in the INVITE PEOPLE field will not work, you need to save the email/s on a .csv file and upload them so you can send the invitation. 

Email list examples.-

Demo

I hope this was helpful. Let us know should you have more questions.