Cognizant — Unable to login at onecognizant portal from 22days

I'm unable yo login at onecognizant porta from 21 days and my onboarding paas is alsp not generate please as soon as possible clarify this

01fc6fca-288a-4f04-a58e-e520e16a1d00
Correlation Id: 8eeabf49-d320-47a4-be3c-1252113fab06
Timestamp:[protected]T02:33:35Z
Message: AADSTS90072: User account '[protected]@gmail.com' from identity provider 'live.com' does not exist in tenant 'Cognizant' and cannot access the application 'https://onecognizant.cognizant.com'(onecognizant.cognizant.com_SAML_AzureAD) 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