Unity bug: transform.position assign attempt for 'SceneCamera' is not valid. Input position is { NaN, NaN, NaN }. UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

問題：

Unity 報錯： 

transform.position assign attempt for 'SceneCamera' is not valid. Input position is { NaN, NaN, NaN }.

UnityEngine.GUIUtility:ProcessEvent(Int32, IntPtr)

 

解決方法：

改變Unity editor 布局（layout）可以解決這個奇怪的問題。