Having the same issue.  Issue first appeared a month or so ago.  Eventually after a week or so it allowed me to pass through protocol on the Roku device and access my content.  Issue reappeared a couple days ago.  I've tried everything from activating device via ethernet computer or apple device.  No luck.  Tried removing channel and reinstalling.  No luck.  Tried restarting modem and router.  No luck.  Continually receive the following message; "Server Error - We're sorry, there has been an unexpected error with our server.  Please try again, or visit the Pandora Home Page".  Not having issue with other devices.  Oddly this seems to be tied to the Roku Tv only.  Tv software is updated.  Wifi connection is 5g and very stable.  Have had the service for years and just started prompting when opening Pandora on Roku with message "Unable to automatically sign in.  Roku failed to provide required account information.  Please log in using email and password."  Unfortunately entering email and password doesn't solve the issue as aforementioned.  Really would like some help on this topic as while I have other devices, I use Roku primarily for listening to Pandora due to my home theatre setup. ... View more