> For the complete documentation index, see [llms.txt](https://megacrush.gitbook.io/megacrush-unity-assets/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://megacrush.gitbook.io/megacrush-unity-assets/runtime-navmesh-baker/runtime-navmesh-baker-user-manual/frequently-asked-questions/allow-read-write-access-to-all-meshes-used-for-mesh-colliders.md).

# Allow Read/Write access to ALL meshes used for Mesh Colliders

Check the following page in the Unity documentation for more details about the trade-offs.

<https://docs.unity3d.com/ScriptReference/Mesh-isReadable.html>

![](/files/a8Zz20qGgsbFwuXw6811)

**To fix this error:**

1. Select the mesh in your project and go to the ‘model’ tab of the import inspector
2. Check the ‘read/write’ checkbox
3. Click ‘Apply’