Xml connector problem, web service

i did some binding following the book but get the error

Scene 1, Binding between <Instance Name>.email_txt.text. and <Instance Name>.wsc.params.emailFrom: The endpoint of the binding has no name

i already give <Instance Name> to the textarea as email_txt

wat is ending point

anyone know where the mistake i made?

err, I duddo if that was the problem,
you cannot use “<Instance Name>” as Instance Name.
you need to enter a real name.

oh the mistake is
it within a mpvieclip and i 4get to name the mc instance name