Grass disappear after building light in grass type tool

Development Rendering
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1

I am using grass type tool to populate my grass, I am using a very basic level to test it, after I build the lighting all the grass populated by the grass tool disappears. I tried using the foliage editing mode to populate the same grass mesh, it worked normally.
Any idea why this is happening?

2

Same here!

3

I ended up painting the grass with the UE4 brush tools.

4

Same issue with 4.25.4 - grass disappears after building lighting. Wonderful.

5

Same just happened to me.