csun fall 2016 transfers

Hello if i applied to csun for the fall of 2016 but I have found out today that I will not be able to complete my major requirements (speech-comm disorders)because those classes were already closed when I went to register am I completely out of luck? Is there any office I can contact to try changing my major for the application even if I have already submitted it?Is there anything I can do at all? P.S I am already plan on trying to crash those classes for next semester. Thank you in advance!

I would contact admissions, take the classes during the summer and apply for Spring.