When I open Sonos it says "We found at least one player that's not linked to your Sonos account..." There's an icon that says "Let's fix it." When I click it, the next screen asks to sign in to my Sonos account. But the account is someone else's (the partially hidden email is not mine). I think someone else logged in through Spotify. But I can't find any option to let me switch the account back to mine. Help.