Error Msg: Cookies are required to use this site.

[Shaktiman]

I bought Xenforo around 10 days ago for my new forum. I am in the process of creating/editing nodes for the forum. It was doing well until today.
While editing nodes today, I suddenly started receiving error msg "Cookies are required to use this site. You must accept them to continue using the site. "

I am using Google Chrome. I do not get this error msg if I use Firefox.

Can you please help me to resolve the issue?
I am using the latest version of Xenforo.

Thanks