Cognizant Technology Solutions — Regarding login in Cognizant 1c portal

Address: Kandhanchavadi, Chennai, Tamil Nadu, India - 600000

Website: www.cognizant.com

Request Id: 62541b6a[protected]ee-33a1c1d60a00
Correlation Id: 690174d7-3f2d-48b1-9dcf[protected]bad4
Timestamp:[protected]T04:41:05Z
Message: AADSTS90072: User account '[protected]@gmail.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
Am facing this issue since may 10, 2021 . cleared cache, signed out from my account and remained unsolved