# Cesium not loading in UE packaging

**URL:** <https://community.cesium.com/t/cesium-not-loading-in-ue-packaging/36779>\
**Category:** Cesium for Unreal\
**Created:** [November 21, 2024, 9:56am UTC](https://community.cesium.com/t/cesium-not-loading-in-ue-packaging/36779 "2024-11-21T09:56:20Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Manolo\_72](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/manolo_72/32/26815_2.png) [@Manolo\_72](https://community.cesium.com/u/Manolo_72)\
**Post date:** [November 21, 2024, 9:56am UTC](https://community.cesium.com/t/cesium-not-loading-in-ue-packaging/36779/1 "2024-11-21T09:56:20Z")

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After finishing my demo for a test and opening the packaged game, I realised that cesium tiles are not loading at all.  
The weird part comes when it depends on the pc that I am running the game. I have been able to run the game with cesium full loaded in 2 out of 4 pcs.

So my question is, what is going on here? Does cesium need something special for loading? Maybe drivers, firewall permissions or any special requests?  
The 4 pcs are quite the same if we talk about specs and the main difference is the software, not the hardware.

Thank you for helping 😃

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**Author:** ![Manolo\_72](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/manolo_72/32/26815_2.png) [@Manolo\_72](https://community.cesium.com/u/Manolo_72)\
**Post date:** [November 21, 2024, 10:04am UTC](https://community.cesium.com/t/cesium-not-loading-in-ue-packaging/36779/2 "2024-11-21T10:04:10Z")

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> [@KNOWN ISSUE: Tilesets not loading in packaged Unreal apps](https://community.cesium.com/t/known-issue-tilesets-not-loading-in-packaged-unreal-apps/36043):
>
> Hi all, We’re aware that many users are experiencing issues with loading 3D Tiles in packaged Unreal apps, including those that have been packaged several releases ago. We sincerely apologize for the inconvenience. Our AWS certificates were renewed this week, and we suspect that this is the problem. If you’re experiencing this issue, please try the following workarounds: Clearing the DNS cache on the machine. Delete the cesium-request-cache.sqlite file. I believe this is located in the Engin…

Could be this?

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**Author:** ![Kevin\_Ring](https://sea2.discourse-cdn.com/cesium/user_avatar/community.cesium.com/kevin_ring/32/2003_2.png) [@Kevin\_Ring](https://community.cesium.com/u/Kevin_Ring)\
**Post date:** [November 21, 2024, 10:22am UTC](https://community.cesium.com/t/cesium-not-loading-in-ue-packaging/36779/3 "2024-11-21T10:22:24Z")

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Hi @Manolo_72, welcome to the community!  
Yes, that is very likely the problem. I suggest trying the PowerShell command described in this post first:

> [@KNOWN ISSUE: Tilesets not loading in packaged Unreal apps](https://community.cesium.com/t/known-issue-tilesets-not-loading-in-packaged-unreal-apps/36043/24):
>
> I’m slowing learning a bit more here… From what I can gather piecing together information from various non-authoritative sources, Windows has a mechanism where it automatically downloads new certificate authority certificates from Windows Update on-the-fly as they’re needed. However, it can only do this for applications that use the “proper” Windows APIs to manage certificates. Presumably, this does not include Unreal Engine. Therefore, if you’re running on a system where the “Starfield Servic…