unity2018打開2017

unity2017版本的項目用unity2018打開後，再用2017版本打開就會出現預製體沒法拖入視圖而且報錯：it Unable to instantiate prefab. Prefab may be broken. UnityEditorInternal.InternalEditorUtility:HierarchyWindowDrag(HierarchyProperty, Boolean,

>>阅读原文<<