Check you have cookies/sessions enabled in your browser.
If it still doesn't work try clearing your cookies and cache and everything else - then try again. Can't see what else it could be anyway Also try logging out and logging back in again..
There's a bad virus going around called Internet Explorer that has been known to cause problems with rendering of web pages, proper cookies management, and is very often subject to other viruses. A good fix would to either visit http://opera.com or http://getfirefox.com as both of those free products can easily let you work around these problems.
Lol, Bibin, that sounds like one of those forwarded emails I always get. Brand X Chicken uses child labor and sells weapons to Israel. Let's boycott them and use Brand Y Chicken which doesn't harm innocent children.
Fredrik:
I think you have to enable cookies if you haven't already. Or maybe you got logged out while you were uploading the game. Try again
Disclaimer: Any sarcasm in my posts will not be mentioned as that would ruin the purpose. It is assumed that the reader is intelligent enough to tell the difference between what is sarcasm and what is not.