@Jarvis412 I moved your post to this thread since it is more in line with the issue you are experiencing: Content disappears when Premium session ends
To clarify, it looks like your account is currently set up with the free service. Customized playlists are only an option when upgrading to Pandora Premium.
I had our support team take a look at your account, and it appears you have been enabling free sessions of Pandora Premium by watching an ad.
This is what was allowing you to create customized playlists.
When these free sessions of Pandora Premium end, your account reverts back to the free service, and you no longer have access to customized playlists.
That would confirm why your playlists no longer show in your collection at the end of those Premium sessions.
For a complete explanation of how Pandora Premium sessions work, check out the accepted solution to this thread.
Hope this helps!
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