Message:AADSTS50020: User account 'xxxxxx@qq.com' from identity provider 'live.com' does not exist in tenant 'Microsoft' and cannot access the application '8ebdd38c-9198-44fa-8331-3c7a2e62dce9'
in that tenant. The account needs to be added as an external user in the tenant first. Sign out and sign in again with a different Azure Active Directory user account.