Made a mistake with Portfolio sub on my common app to Amherst-what do I do?

So I am not submitting a portfolio. but I selected the wrong option for Amherst (yes). I’ve submitted the application already, so how can i inform the school that I’m not submitting the portfolio D: because if you dont send in the portfolio, then your submission is ‘incomplete’ and not reviewed right?

I’ve called them-they’re only taking calls from the 18th. Do I email them? What details do I need to put in my emails so that I know who I am (in case someone has the same name, details as me)

thanks! D:

If you submitted the application, did Amherst send you some kind of student ID? Otherwise, email them with your name, HS, and birthday. I can’t imagine there’s more than one of you that way.