USD LOD variants crashing on import

When trying to import a USD file with the interpret LOD variant sets checkbox ticked Unreal crashes. I am able to preview it fine in the USD Stage window and even switch between LODs. However, when I try to import it crashes.

The variant set is named LOD and the variants are LOD0, LOD1, LOD2 as stated in the documentation. Is this a known issue? Or can someone explain how they managed to get this working please?

Many thanks!