3D tiles not visible in UE5 editor

Cesium for Unreal
1

I can add the Google 3D tiles to the level and it appears in the outliner list but it doesn’t visually load in the level editor. But when I start the game mode it gets visible. I need also need the 3d tiles visible offline from the game mode to be able to manipulate my level. Has someone encountered any similiar issues?

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EDIT: I tried the CesiumForUnrealSamples and it didnt work there either. Looking into the log, i saw this:
[2025.05.20-12.31.52:528][ 69]LogCesium: Error: [2025-05-20 14:31:52.528] [error] [ErrorList.h:72] Errors when loading tileset:
Received status code 401 for asset response https://api.cesium.com/v1/assets/1/endpoint?access_token=eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIwNzA3YWIzNS0xMjI5LTQ3MWEtOTgyNS05OTk0YThlOTE4NzMiLCJpZCI6MjU5LCJpYXQiOjE3Mjc3MzgxNjJ9.vll2Xe-NPuNPiC0KSe8uN7hgG-ldlalcXfdDBxxDkXY

2

I’m not sure why it seems to work when you start the game, but it the log message you’ve included suggests it’s some sort of token issue. Have you tried creating a new token from the Cesium editor window in Unreal?

3

Yes I have tried regenerating the token, it did not help though unfortunately.

4

Hi @CarlaRay, welcome to the community!

I’m not sure what you mean by “regenerating the token”, but if you’re still seeing 401 errors it probably indicates something has gone wrong in that process.

If you open the URL that Cesium for Unreal is showing in the console in a web browser, what do you see? If I click the one you shared, I see a message about an invalid token.

So, how did you go about creating that token?