Why UnityHub says "Something went wrong, Please sign in again"?

Hello All,
I am receiving this error message when I try to sign into unity hub and because of it, I cannot continue on sign in. Could you please give me some directions why this might occur?
I am uploading here the error which is being logged inside Unity Hub Logs, also with the picture of error text on unity hub sign in.


Maybe there are many reasons this might occur, but in general, if you can give me a direction, it will be very helpful.

Thank you very much for all your help

Just noticed that the log record image can’t be seen in big size, its original source is error2 hosted at ImgBB — ImgBB on imgBB source.

I am on 3.5.0 and i getting the same .Whats the fix? I am behind the proxy. Unity Hub should atleast give a setting option to put the Proxy settings like Android Studio and other apps like this.

Regards,
C