Prefabs won't work after Unity crashed while baking a light map

Unity Engine
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Hi, I am making an endless runner game and I was baking the final lightmap on each tile in my game. I got to tile 6/18 and halfway through the light-map bake, Unity crashed. Upon opening the project again, tiles 5-18 were not showing up so I deleted them and tried to add them to the heirarchy again via their pre-fabs. When trying to do this I discovered that I am not able to drag them into the heirarchy.

I immediately tried exporting the prefabs as a package and installing them into a different project, same issue. This time though, instead of being able to see what my tile looks like through its prefab icon, it’s now a white box.

Unity 4.1.2f1

Any assistance in fixing this issue without re-making all of the tiles would be greatly appreciated!

1 Like
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another note, in my original project, the error I am seeing is “childPrefab.m_RootGameObject.IsValid()”. I searched this and variations of it on google and have had no luck in finding what the error is, how I could fix it etc.

3

We are having similar problem , @ did you able to solve your problem?