well not really , unless you all planned on doing a full quest .
but other then that you can join/create a game and leave as you please , people dont really ever mind . im pretty sure they will understand if you have health problems
my characteres are bugged as well , andres hasnt gotten to mine and i started getting this problem to , it would atleast show me the bugged characters , but now it just stays loading
I'd Like a Roleback as well , i lost all my shit and dont have atleast 1 character from before
http://i785.photobucket.com/albums/yy135/briskdrink/bug_zps8049d4a6.png