AS3 - Error 1119:通过静态类型类的引用访问可能未定义的属性灌肠列表。

I need to get access to a variable from another class and I keep getting error '1119: Access of possibly undefined property enemyList through a reference with static type Class.' I can't see what I do wrong since my variable is made 'public' and 'static'.I need to get access to a variable from another