My own created tree parts (everything with opacity mask on it), disappears in render? Viewport is fine. I use this mesh on foliage. If I place just the tree, the render is fine too. Please help?

Development Asset Creation
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1

Hi there,

I am in the final of my student project and a this weird issue. LOD´s are fine.

I have this fern tree, that don´t want to render correctly, if I used this tree on foliage. It seems just the leafs are disapearing and not the trunk.

If i place the tree without using foliage, the tree renderd correctly.

On this image you can see my foliage forest with missing leafs and a placed tree on the side, so you can see my problem.

Render_01
Render_011920×1080 234 KB

So it is foliage related, but i have no soloution for it.

This is how my viewport is looking:

Viewport_01
Viewport_011870×999 188 KB

THX for your support and help.

2

I am using UE 5.1

3

OK i just figured out that must be a setup of my materials itself of the tree for the leafs. I tested a simple material without opacity mask on the leafs and it show up inside my render.

LOD.0000
LOD.00001920×1080 232 KB

4

I tested a lot and regonized, the amount of my trees caused the disapearing. if I foliage just few around they render and if i foliage a mountain or a field, they break.

5

Until I reach the amount of 510 foliage trees, that issue happen. Can I adjust that number?