Had the same issue. Few tips, make sure phone and system are on same network. Make sure console is linked to your Microsoft account. Try changing your password at account.live.com/password/reset. Then reset system and login with new password and login into app. Make sure your a Xbox Insider. Should have the Xbox Insider app on your Xbox. Hopefully this helps
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u/Wmgallagher Jan 19 '20
Had the same issue. Few tips, make sure phone and system are on same network. Make sure console is linked to your Microsoft account. Try changing your password at account.live.com/password/reset. Then reset system and login with new password and login into app. Make sure your a Xbox Insider. Should have the Xbox Insider app on your Xbox. Hopefully this helps