# Twinmotion 2025.1 bug (?) shade stripes in path tracer rendering 

**URL:** <https://forums.unrealengine.com/t/twinmotion-2025-1-bug-shade-stripes-in-path-tracer-rendering/2436232>\
**Category:** Rendering\
**Tags:** problems, twinmotion, Lighting, question\
**Created:** [April 2, 2025, 2:39pm UTC](https://forums.unrealengine.com/t/twinmotion-2025-1-bug-shade-stripes-in-path-tracer-rendering/2436232 "2025-04-02T14:39:33Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![margheenri](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@margheenri](https://forums.unrealengine.com/u/margheenri)\
**Post date:** [April 2, 2025, 2:39pm UTC](https://forums.unrealengine.com/t/twinmotion-2025-1-bug-shade-stripes-in-path-tracer-rendering/2436232/1 "2025-04-02T14:39:33Z")

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Hello everyone, I have an issue that I can’t solve:  
I don’t know why but when I try to render in path tracer something goes wrong and some ‘‘shadow stripes’’ appears on vertical objects.  
Attached a image to show you.

 ![Image2](https://d3kjluh73b9h9o.cloudfront.net/original/4X/6/8/6/68688e5513de9834571c29e4e8db8c3e91f022af.jpeg)

I’m trying ed everything, someone may kindly help me?  
Thank you,  
Margherita