@jstovall To clarify, is your Roku the only device your email/password isn't getting accepted?
Please try signing into your Pandora account on a computer or mobile device to confirm.
If your email/password isn't getting accepted on the Pandora website/mobile app either, please try resetting your password to see if that helps.
You can find instructions for resetting your password here.
Let me know how it goes.
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