Authentication failed as a consequence of flow token expired. Predicted - auth codes, refresh tokens, and sessions expire as time passes or are revoked through the person or an admin. The app will request a brand new login through the consumer. Entry to ' tenant ' tenant is denied. AADSTS500021 https://anderson9y6c7.dgbloggers.com/31786176/the-ultimate-guide-to-tentenbet-registration-code