Cognizant Technology Solutions — User account '[protected]@outlook.com' from identity provider 'live.com' does not exist in tenant 'Cognizant' and cannot access

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AADSTS90072: User account '[protected]@outlook.com' from identity provider 'live.com' does not exist in tenant 'Cognizant' and cannot access the application 'https://onecognizantexternal.cognizant.com'(ENT_onecognizantexternal_SAML_PROD) 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
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Request Id: a778f790-9be5-4bd[protected]f448b4f00
Correlation Id: 344691ad-559a-4b24-a54c-c81ca3df5c7a
Timestamp:[protected]T11:43:55Z
Message: AADSTS90072: User account '[protected]@outlook.com' from identity provider 'live.com' does not exist in tenant 'Cognizant' and cannot access the application 'https://onecognizantexternal.cognizant.com'(ENT_onecognizantexternal_SAML_PROD) 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