Cognizant Technology Solutions — Unable to login one cognizant portal

I have received a mail on[protected] from cognizant to complete my pre joining formalities. I tried many times but not able to login to my one cognizant account. So please kindly resolve my issue as soon as possible.
canditate Id: 19938557
Request Id: ec60d786-dea2-495b-9847-4d9941e13f00
Correlation Id: 49ccd39a-2ba0-40ea-80eb-0ee[protected]
Timestamp:[protected]T16:14:27Z
Message: AADSTS50105: Your administrator has configured the application onecognizant.cognizant.com_SAML_AzureAD ('a02131c0-2463-4b51-977f-0decd70d2056') to block users unless they are specifically granted ('assigned') access to the application. i have attached the screenshot below.