# UE4.6 Preview UV overlapping

**URL:** <https://forums.unrealengine.com/t/ue4-6-preview-uv-overlapping/299868>\
**Category:** Rendering\
**Tags:** overlapping-uvs, unreal-engine, bug-report, Lighting, question, Blueprint\
**Created:** [November 25, 2014, 8:54pm UTC](https://forums.unrealengine.com/t/ue4-6-preview-uv-overlapping/299868 "2014-11-25T20:54:52Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Peude](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Peude](https://forums.unrealengine.com/u/Peude)\
**Post date:** [November 25, 2014, 8:54pm UTC](https://forums.unrealengine.com/t/ue4-6-preview-uv-overlapping/299868/1 "2014-11-25T20:54:52Z")

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Hi,

Encounter a UV Overlapping from my Object Mesh.

Thanks.

 ![22190-bugobjects.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/8/f/4/8f444099f31939d1b310ac20f30ec999260c3a2e.jpeg)

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**Author:** ![anonymous\_user\_2ed5b4c7](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_2ed5b4c7](https://forums.unrealengine.com/u/anonymous_user_2ed5b4c7)\
**Post date:** [November 26, 2014, 7:39am UTC](https://forums.unrealengine.com/t/ue4-6-preview-uv-overlapping/299868/2 "2014-11-26T07:39:26Z")

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HI!

I think in your mesh is missing the secondary UV channel.

Read this answers

> **[Lightmap UVs Overlapping](https://forums.unrealengine.com/questions/128344/lightmap-uvs-overlapping.html)**
>
> Hi i’m fairly new to importing static meshes to levels, and i’ve run into this problem more than once. Can someone give me a fool proof method so that when I import meshes, im not met with a overlapping UV message after building lighting and black...

And also you can create secondary channel in 3D program or in UE4

> **[Generate Unique UVs Button is Missing](https://forums.unrealengine.com/questions/134291/generate-unique-uvs-button-is-missing.html)**
>
> As the title states, I have a 20% overlap on one of my models and I would like to generate a set of unique UVs. However the button seems to be missing. Where has it gone?

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<div class="post-metadata">

**Author:** ![Peude](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@Peude](https://forums.unrealengine.com/u/Peude)\
**Post date:** [November 26, 2014, 7:52pm UTC](https://forums.unrealengine.com/t/ue4-6-preview-uv-overlapping/299868/3 "2014-11-26T19:52:36Z")

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Hi Sir,

but why its is same error in Lanscape. Please look this link: [https://answers.unrealengine.com/questions/138521/block-square-using-ue46-preview.html](https://answers.unrealengine.com/questions/138521/block-square-using-ue46-preview.html)

This is same project files. And this is original image after i press Build button.

 ![22184-errorbackshadow.jpg](https://d3kjluh73b9h9o.cloudfront.net/original/4X/b/8/d/b8d082b6e2f4a88cf3140bb8186c1617b3a5c7cd.jpeg)

Thanks.