Tnvelaivaaippu.gov.in — ERROR FOUND [CandidateProfileAction] : [saveCandidate] : [ Global Exception Occurs In Request ]

I updated my Graduate Engineering details in tnvelaivaaippu.gov.in and clicked Save button. But i received the error:-
ERROR FOUND [CandidateProfileAction] : [saveCandidate] : [ Global Exception Occurs In Request ]
When i opened my Profile again, the Graduate Engineering value did not get saved.