# iesProfileTexture BUG

**URL:** <https://forum.babylonjs.com/t/iesprofiletexture-bug/63593>\
**Category:** Bugs\
**Created:** [June 5, 2026, 8:33am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593 "2026-06-05T08:33:03Z")\
**Posts on this page:** 8\
**Page:** 1

<div class="post-metadata">

**Author:** ![274199875](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/274199875/32/39357_2.png) [@274199875](https://forum.babylonjs.com/u/274199875)\
**Post date:** [June 5, 2026, 8:33am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/1 "2026-06-05T08:33:03Z")

</div>

bug demo Url

> **[Babylon.js Playground](https://playground.babylonjs.com/#Y3QIDZ)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL and WebGPU 3D scenes

 ![image](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/b/c/bc938b2f8195169d14be29e366d89d0e35610a3d.png)

 ![image](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/b/2/b2576a89915a2f38b8a0a5bc8757f105ce7883d1.jpeg)

bug look light num = 4

---

<div class="post-metadata">

**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [June 5, 2026, 9:05pm UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/2 "2026-06-05T21:05:29Z")

</div>

You want to set your material with:

```auto
material.maxSimultaneousLights = 15;

```

---

<div class="post-metadata">

**Author:** ![274199875](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/274199875/32/39357_2.png) [@274199875](https://forum.babylonjs.com/u/274199875)\
**Post date:** [June 6, 2026, 1:26am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/3 "2026-06-06T01:26:56Z")

</div>

new bug url

> **[Babylon.js Playground](https://playground.babylonjs.com/#Y3QIDZ%231)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL and WebGPU 3D scenes

---

<div class="post-metadata">

**Author:** ![274199875](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/274199875/32/39357_2.png) [@274199875](https://forum.babylonjs.com/u/274199875)\
**Post date:** [June 6, 2026, 1:28am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/4 "2026-06-06T01:28:18Z")

</div>

![image](https://us1.discourse-cdn.com/flex024/uploads/babylonjs/original/3X/4/a/4a0767f18693652d165683cfd1f16f39b659667a.png)

```auto
material.maxSimultaneousLights = 15;

```

logger.ts:107 BJS - [09:27:13]: Error: Error: VERTEX shader uniform block count exceeds GL\_MAX\_VERTEX\_UNIFORM\_BUFFERS (12)

```
at Si (https://preview.babylonjs.com/babylon.js?t=1780647592612:1:308337)
at https://preview.babylonjs.com/babylon.js?t=1780647592612:1:452926
at n.\_isRenderingStateCompiled (https://preview.babylonjs.com/babylon.js?t=1780647592612:1:452940)
at e.get (https://preview.babylonjs.com/babylon.js?t=1780647592612:1:298489)
at e.\_isReadyInternal (https://preview.babylonjs.com/babylon.js?t=1780647592612:1:328683)
at https://preview.babylonjs.com/babylon.js?t=1780647592612:1:330211
at Qn (https://preview.babylonjs.com/babylon.js?t=1780647592612:1:225639)
at https://preview.babylonjs.com/babylon.js?t=1780647592612:1:225845

```

---

<div class="post-metadata">

**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [June 8, 2026, 3:34pm UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/5 "2026-06-08T15:34:33Z")

</div>

because you reached the system limit. we limit lights for that reason. you need to use less lights

---

<div class="post-metadata">

**Author:** ![274199875](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/274199875/32/39357_2.png) [@274199875](https://forum.babylonjs.com/u/274199875)\
**Post date:** [June 9, 2026, 3:13am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/6 "2026-06-09T03:13:53Z")

</div>

> [@Deltakosh](#):
>
> light

BABYLON.ClusteredLightContainer demo url

> **[Babylon.js Playground](https://playground.babylonjs.com/#6JYGXW%233)**
>
> Babylon.js playground is a live editor for Babylon.js WebGL and WebGPU 3D scenes

BABYLON.ClusteredLightContainer and [iesProfileTexture](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593)  
Implement functions combined with code

---

<div class="post-metadata">

**Author:** ![Deltakosh](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/deltakosh/32/26635_2.png) [@Deltakosh](https://forum.babylonjs.com/u/Deltakosh)\
**Post date:** [June 9, 2026, 11:29am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/7 "2026-06-09T11:29:47Z")

</div>

Yes but they cannot have IES profile as they are point lights

---

<div class="post-metadata">

**Author:** ![274199875](https://sea2.discourse-cdn.com/flex024/user_avatar/forum.babylonjs.com/274199875/32/39357_2.png) [@274199875](https://forum.babylonjs.com/u/274199875)\
**Post date:** [June 10, 2026, 1:50am UTC](https://forum.babylonjs.com/t/iesprofiletexture-bug/63593/8 "2026-06-10T01:50:00Z")

</div>

Thank you