Baking lightmaps break decals until affected materials are Reimported.

[PhillipGenant]

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I've had an issue where decals I'm using in my game wont appear on materials that are included in the prefab that is being baked.

I have a Video showing more of the effects of what I'm experiencing. Unity version and hdrp version included in video title.

[Ayfel]

What material is the decal? (shader) Also have you tried on a build?

[PhillipGenant]

I have tried on a build, the issue persists, and as there is no way to reimport or select the materials, the decals never display.

My decals look like this. Pretty standard stuff. When I remove the PrefabLightmapData component, delete the lightmap information and reimport the materials everything goes back to behaving how I had it before I started using prefab lightmap baking.