# 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>

![](https://1421570450-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FOX9qdO02HF8IWzQVSI2Q%2Fuploads%2Fkz5LUsQIACOmeV6GmEXr%2F5.png?alt=media)

**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’
