So this morning I found out my entire collection of downloaded songs was removed and im having trouble downloaded songs again as well. I've had premium for a few years and had a very large collection of music that is now gone.
The Pandora account associated with your community profile is not upgraded to a paid subscription, and has not been upgraded in the past.
Sounds like you may have another Pandora account under a different email address. I've gone ahead and created a support case for you. One of our User Support agents will be reaching out via the email associated with this account to follow up.