# The uv maps are overlaping on the meshes imported using .fbx and .obj file format? How do i fix this?

**URL:** <https://forums.unrealengine.com/t/the-uv-maps-are-overlaping-on-the-meshes-imported-using-fbx-and-obj-file-format-how-do-i-fix-this/299902>\
**Category:** Rendering\
**Tags:** overlapping-uvs, unreal-engine, Rendering, question\
**Created:** [November 26, 2014, 11:01am UTC](https://forums.unrealengine.com/t/the-uv-maps-are-overlaping-on-the-meshes-imported-using-fbx-and-obj-file-format-how-do-i-fix-this/299902 "2014-11-26T11:01:19Z")\
**Posts on this page:** 2\
**Page:** 1

<div class="post-metadata">

**Author:** ![anonymous\_user\_195613a7](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@anonymous\_user\_195613a7](https://forums.unrealengine.com/u/anonymous_user_195613a7)\
**Post date:** [November 26, 2014, 11:01am UTC](https://forums.unrealengine.com/t/the-uv-maps-are-overlaping-on-the-meshes-imported-using-fbx-and-obj-file-format-how-do-i-fix-this/299902/1 "2014-11-26T11:01:19Z")

</div>

The UV maps are overlapping on the meshes imported using .fbx and .obj file format? How do I fix this?

When I import a mesh and render there is an error message reading cannot render lighting ‘overlapping UV maps’

Thanks.

---

<div class="post-metadata">

**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, 12:19pm UTC](https://forums.unrealengine.com/t/the-uv-maps-are-overlaping-on-the-meshes-imported-using-fbx-and-obj-file-format-how-do-i-fix-this/299902/2 "2014-11-26T12:19:57Z")

</div>

Hi!

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...

> **[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?