I got no problem replaying your turn. If another player want to try, we need to see if this is reproducible. Did you try re-running backup1 and see what happens?
Hofstadter's Law: "It always takes longer than you expect, even when you take into account Hofstadter's law."
well the saved game resumed once i start CW2 again BUT this error happened every now and then i dont know what causing it to randomly have critical error.