wrong version of server side application?

[oo7651 0]

Hello, my name is cole and i have a problem, i just died on a fun server i play on and it says when i try to log on it says a message "this server is running an incorrect version of the side server application. you can not play on this server. if you are an admin please contact dayz support." I just died and i try to respawn and it gave me the message. my friend told me to go to the dayz forms. sooo ya thanks.