Everything was working fine, render out of sequencer, looks perfect. Then it’s not. It just stopped working. I cannot load the base map, and if it does, (1 out of 25 try’s) it then hangs on motion blur… Does anyone know what causes this or if there is a workaround? Thanks,

Errors when loading tileset: - Received status code 429

Kevin_Ring August 15, 2025, 7:33am 3

Hi @CKGHD, welcome to the community!

I think you may be running into the issue described here:

Topic		Replies	Views
Unreal Cesium Error : Status Code 429 Cesium for Unreal	5	135	September 13, 2024
[TilesetJsonLoader.cpp:810] Received status code 429 for tile content Cesium for Unreal	7	1578	June 2, 2023
Lots of "Received status code 429 for tile content" errors Cesium for Unreal	9	718	December 21, 2023
Object not configured to connect to Cesium ION. Error code 429 Cesium for Unreal	12	1067	July 26, 2023
UE 5.1 rendering with movie render queue, tiles not loading in time Cesium for Unreal	38	14760	June 16, 2025