Hi, I keep getting a crash whenever I add a google 3D tiles in Unreal 5.5.3. Cesium 2.13.1. Everything was working fine and all of a sudden this happens every time. I have reinstalled the plugin and updated Unreal (was on 5.5.2). Crash report following LoginId:bb4fd2bf4be7db6f4a0a2e9f570aac18 Epi…

an update. Deleting the cesium-request-cache.sqlite file seems to have fixed it.

[image] rfmotion2: cesium-request-cache.sqlite Hi were do I find the file? ty

If you’re using Unreal 5.4, the file is at that location: C:\Users\USERNAME\AppData\Local\UnrealEngine\5.4 The same crash happened to me a few minutes ago, many thanks rfmotion2!

@rfmotion2 Thanks for reporting this issue! I’m glad folks in this thread were able to find a workaround, but it turns out this is actually an issue with the way we’re parsing glTF copyrights. We expect the string to look like Copyright 1;Copyright 2;Copyright 3, but in some cases the string ends wi…

OMG JUST created an account to say thank you !!

Hello, I’m trying to setup a custom build following the Developer Setup guide, but I got an error with configuring cmake. What can I do to fix this error? 1> [CMake] The following packages will be built and installed: 1> [CMake] ktx:x64-windows-unreal@4.3.2 -- Z:/CesiumBuild/cesium-unreal-samp…

It should no longer be necessary to build Cesium for Unreal yourself, as we’ve now released v2.13.2 with the fix. Please completely close and restart the Epic Launcher if it’s not showing the update yet.

Hi All, I believe I may be getting the same error with Unity, or at least Google Tiles specifically is causing the engine to crash after I zoom in a little. This did not happen the last two weeks. So it may be the same issue.

Is the fix only applied to 5.3+? I’m still getting a crash with 5.2 after updating the plugin just now.

@Kevin_Ring - thanks for pushing out an update for this. I’m still getting constant crashes on Unreal 5.5.3 with the updated release Cesium 2.13.2 which happens both with Google tiles and tiles from our own Ion server. Assertion failed: (Index >= 0) & (Index < ArrayNum) [File:C:\Program Files\Epic…

Crash with Google tiles

Cesium for Unreal

Kevin_Ring February 14, 2025, 8:22am 15

@TinTParametrix we have now backported the fix to UE 5.2. Please see here:

Topic		Replies	Views
Crash with Google Photorealistic 3D Tiles - fix now available for UE 5.1 - 5.5 Cesium for Unreal	8	309	February 24, 2025
Latest update crash Cesium for Unreal	14	996	January 29, 2025
Cesium/Unreal crash started a few days ago Cesium for Unreal	7	169	February 14, 2025
Crash with Google Photorealistic 3D Tiles - fix now available Cesium for Unity	19	689	May 21, 2026
Cesium for UE 5.5 release date Cesium for Unreal	12	981	November 27, 2024

Crash with Google tiles

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