Why are my LODs black? (video provided)

I am trying to set up LODs on these flowers and I only get a black color. I think the LODs also don’t work besides the black coloring. Anyone else had this?

Video of the problem

Yeah, I get it with almost everything. That view for me is now shot.

I think it’s something to do with the shader that Epic haven’t accounted for in the view…

So everything works but just the shader fails? Is it a known bug?

I have no idea if it’s known, but it definitely doesn’t work…

I have the exact same issue. Whats strange is they were fine but after a restart became black

I’ve had this problem with objects made in 3ds Max. The fix in my case as to preform an Xform rest found in the utilities section

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I had similar issue with Feature Level Switch node in mesh’s material, pluged to Opacity Mask input

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Turned off fade per instance from opacity mask and LODs turn active again (5.4 version).