When StaticMeshComponent is added to an empty Actor, no HLOD is generated.

When a Cube of StaticMeshActor is placed, it is generated without any problem.

1. Go to "File > New Level" and select "Open World" to create.

2. Select "Actor" from "Place Actor" and place it. (Coordinates are X: 5000, Y: 5000)

3.Select the placed actor, go to "+Add" and select "Cube" to add a StaticMeshComponent.

4. Save the level.

5. Build the HLOD by selecting "Build > Build HLODs".

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