unity烘焙的时候报错,如何解决?

烘焙报错
错误信息:
Something went wrong in the Beast lightmapper: Duplicate name - An instance named New Terrain 1-TreeInstance-0 already exists
This is a bug - please report it with a scene reproducing the issue.

UnityEditor.DockArea:OnGUI()

有个名为“NewTerrain 1...”的实例重复了,找到之后删除或改名试一下。