"Your email ID has already exists"?

Question

means to say pls elaborate... cuz this is important about the application form thru visiting website.... thank yous

and i can't proceed on the second page because this NOTE always pops-out (the question above that's the note....)

Answer 1

You've already registered with the Web site, and therefore need to reenter your username and password.

Answer 2

It means that someone has that id already and that you need to choose another one.