Cognizant — Have got an offer via college now that I have to accept the job offer through the respected link sent by cognizant I am unable log

Address: madhuranagar, madhuranagar vijaya durga nagar

Website: cognizant external account

ENT_onecognizantexternal_SAML_PROD
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AADSTS50105: The signed in user '[protected]cse_gmail.com#EXT#@CognizantOnline.onmicrosoft.com' is not assigned to a role for the application 'bb557c9c-73c3-4026-9da2-0b57ec4204b4'(ENT_onecognizantexternal_SAML_PROD).
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Request Id: 0d8e724d-6888-4f99-86a7-0e[protected]
Correlation Id: cc5f618e-40cd-438a-9725-3e67eab4c746
Timestamp:[protected]T07:23:19Z
Message: AADSTS50105: The signed in user '[protected]cse_gmail.com#EXT#@CognizantOnline.onmicrosoft.com' is not assigned to a role for the application 'bb557c9c-73c3-4026-9da2-0b57ec4204b4'(ENT_onecognizantexternal_SAML_PROD).
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it is coming like this when i am creating account