[support] Distinct not working in Views 6.x-2.6. Getting duplicate results

Dear All I have worked in views a lot but recently when i am working in Views 6.x-2.6 i get duplicate results. I also tried using node:distinct option yet the same error. Anybody had this problem with views? I am in utter need, have to shoot off this error as soon as possible. Please share your suggestions. thanks in advance. with regards Crazyguru