You should have received an email and a message with more info in Creator Studio, including detailed resources and next steps. Note: if you were removed from YPP for policy reasons, you can always reapply in 30 days.
Sorry for the confusion, looks like there’s an issue with your AdSense – check out this Help Center guide for what you can do if AdSense can't activate your account: https://yt.be/help/Br5B . Hope this helps!