# Babylon React Native custom ShaderMaterial error on iOS

**URL:** <https://forum.babylonjs.com/t/babylon-react-native-custom-shadermaterial-error-on-ios/31031>\
**Category:** Bugs\
**Tags:** native, shaders, ios\
**Created:** [June 3, 2022, 4:34am UTC](https://forum.babylonjs.com/t/babylon-react-native-custom-shadermaterial-error-on-ios/31031 "2022-06-03T04:34:16Z")\
**Posts on this page:** 1\
**Showing post:** 13

<div class="post-metadata">

**Author:** ![inteja](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/inteja/32/22553_2.png) [@inteja](https://forum.babylonjs.com/u/inteja)\
**Post date:** [June 26, 2022, 2:23am UTC](https://forum.babylonjs.com/t/babylon-react-native-custom-shadermaterial-error-on-ios/31031/13 "2022-06-26T02:23:02Z")

</div>

Hi @Cedric thanks for the follow-up. I’ve got some time in our upcoming sprint to create a simpler test case for this and [the strange GLB load issue](https://forum.babylonjs.com/t/load-local-app-gltf-glb-mesh-in-babylon-react-native/30888) we’re having also.

---

_[View the full topic](https://forum.babylonjs.com/t/babylon-react-native-custom-shadermaterial-error-on-ios/31031)._