While you're updating your age on your profile on this website it will not let you do so and you have to log out and log back in in order to actually make the change.
I know that there was a topic about this already, but the problem is still persistent and it shouldn't be. Would it be possible to get somebody to fix this error? Many people are not aware of this difficulty and I have been sending people to this website to play my game. I'm afraid that many of them make accounts, then dont' use them because of this error.