This app – Funimation Review

So I downloaded this app and when I tried to start my free trial it lets me got to the part where i put my email and stuff in but every time I try to create the account it either says my email is already used and the other one says use a email that works but the reason i wrote this ^ is because i want it fixed so i can actually use the app so please please please fix it asap ? thx
Review by XxXx2NAGY3XxXx on Funimation.