I keep getting prompted to log in. What is going on?

There are two possibilities.

1. Your browser needs to accept cookies in order to access certain CALI resources and especially to run CALI lessons. Make sure your browser is set to accept cookies from cali.org. We only use cookies to track you permissions to access certain CALI resources like CALI Lessons. If you're browser is set to accept cookies, read on.
2. Your browser is holding onto cookies with incorrect information. This is very common when you've recently changed passwords. In this case, log out of CALI, clear the cookies of your browser and then re-login with your correct credentials.