That's rough! Here's a few reasons why you might not be able to log in and some solutions to the problem.
Did you forget your password or type it incorrectly?
You can change your password here
Did your membership get canceled?
This can happen if you change credit/debit cards and forget to change your payment information
Did you login and go to your classroom, but it says that you are not registered?
Submit a support ticket on our website and we will take care of that for you. We have seen that happen a couple of times and are working to resolve that issue so that it happens to no one ever again