Then, check if you have set the timezone correctly in the app. For instructions see:
The goal setter resets at midnight every day. Note that it is important to set your timezone according to your location so that the Daily Reminder (adjustable in Settings for the app) happens at the right time, and for the app to record your points accordingly.
After each learning/reviewing session it is essential to connect your device to the internet for it to record your points, otherwise the app will not recognise your work as having been done on that specific day and you will lose your learning streak.
Note for Pro users: at the moment, the Learning Streak Graph on the website runs on GMT. We are working on having the graph run on users' individually set time zones.