how to fix

public void ReceiveNewTokenMessage(string message)
        {
            if(string.IsNullOrEmpty(message)){
                AccessDeniedMessage("400#message is empty");
                return;
            }

            var mas = message.Split('#');

            if(mas.Length != 3){
                AccessDeniedMessage("400#ReceiveNewTokenMessage not valid");
                return;
            }

            int time;

            if(!int.TryParse(mas[1], out time)){
                AccessDeniedMessage("400#no token!");
                return;
            }

            var token=VKToken.ParseSerializeTokenFromNaviteSdk (message);
            vkapi.onReceiveNewToken (token);
        }