Crashing on Cesium Polygon

Cesium for Unreal
1

LoginId:7972543345f1f4c9ac19a5873848c466
EpicAccountId:03353ec14c214884be255fab81c33a89

Unhandled Exception: EXCEPTION_ACCESS_VIOLATION reading address 0xffffffffffffffff

UnrealEditor_CesiumRuntime!UCesiumGltfComponent::CreateOnGameThread() [D:\build\U5M-Marketplace\Sync\LocalBuilds\PluginTemp\HostProject\Plugins\CesiumForUnreal\Source\CesiumRuntime\Private\CesiumGltfComponent.cpp:2233]
UnrealEditor_CesiumRuntime!UnrealResourcePreparer::prepareInMainThread() [D:\build\U5M-Marketplace\Sync\LocalBuilds\PluginTemp\HostProject\Plugins\CesiumForUnreal\Source\CesiumRuntime\Private\Cesium3DTileset.cpp:684]
UnrealEditor_CesiumRuntime!Cesium3DTilesSelection::TilesetContentManager::finishLoading()
UnrealEditor_CesiumRuntime!Cesium3DTilesSelection::Tileset::updateView()
UnrealEditor_CesiumRuntime!ACesium3DTileset::Tick() [D:\build\U5M-Marketplace\Sync\LocalBuilds\PluginTemp\HostProject\Plugins\CesiumForUnreal\Source\CesiumRuntime\Private\Cesium3DTileset.cpp:1983]
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Core
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_Engine
UnrealEditor_UnrealEd
UnrealEditor_UnrealEd
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
UnrealEditor
kernel32
ntdll

2

This was a bug in the v1.30.0 release from Friday, which we fixed with a v1.30.1 release over the weekend. Please try upgrading and see if that fixes the problem for you.