The animation state AimUp could not be played because it couldn't be found!
Please attach an animation clip with the name 'AimUp' or call this function only for existing animations.
UnityEngine.Animation:CrossFade(String)
player:Update() (at Assets/player.cs:29)

unity3d: 4.1.2版本

在有多重动画文件时，文件在使用时，需要在Rig设置为Legacy,否则，则出现上面报找不到的错误。