Dark vertical stripes across a 4K render

Development Rendering
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NewLevelSequence.0000
NewLevelSequence.00001920×1080 126 KB

Hello, I am trying to render a 4k image with UE 5, and I get those black stripes across the render, and this happens only with the 4k renders. The render settings are rather basic, everything is default and I added an anti-aliasing setting.

If anyone has any idea what is causing this I would appreciate the help.

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Update: the issue has been fixed by cleaning up the materials of the models that had the issue, still confusing why it happend

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Hi Adrian I hope you’re well.

I’m facing the exact same issue and I’m unsure how to fix it. The material the vertical stripes seem to be showing on when I render at 4k are on a stucco material that I downloaded from Quixel Bridge. What exactly did you do to the material to resolve the issue?

Thanks in advance!

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seems to be an issue with Quxiel assets and Lumen Global Illumination for me, changing it to screen space fixes it for some odd reason

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FinalGeatherQuality 2.0 in post process- lumen reflections, the solution to the problem