I keep getting this message saying "Server Authentication Failed" whenever I try to create a private server on Crysis 1 to play with my friend. Two things are slightly weird; first- it happened after playing normally for a while, and then the next day I tried to make a server again and it game me the error, and second- I can join already created servers (all the forum threads I've seen say they can't play online at all, in any servers). I simply can't make my own servers, and my friend can't either. Any idea on how to fix this?