Description

Dragging a groom asset into the level results in a crash.

 

 

Link to Project: [Link Removed]

Tested in:  4.25 CL#11223911

Steps to Reproduce
  1. Download then open the provided test project
  2. Locate the asset "hair_test" 
  3. Drag and drop the asset into the scene

 

Result: Crash

Expected: No crash

Callstack

Assertion failed: ExternalPooledTexture.IsValid() [Link Removed] [Line: 12] Attempted to register NULL external texture: SceneGBufferBTexture

UE4Editor_Core!AssertFailedImplV() [e:\p4v\engine\source\runtime\core\private\misc\assertionmacros.cpp:100]
UE4Editor_Core!FDebug::CheckVerifyFailedImpl() [e:\p4v\engine\source\runtime\core\private\misc\assertionmacros.cpp:450]
UE4Editor_RenderCore!DispatchCheckVerify<void,<lambda_e1841a17a36e9a38f7544c480b123152> >() [e:\p4v\engine\source\runtime\core\public\misc\assertionmacros.h:156]
UE4Editor_RenderCore!FRDGBuilder::RegisterExternalTexture() [e:\p4v\engine\source\runtime\rendercore\public\rendergraphbuilder.inl:12]
UE4Editor_Renderer!RenderHairStrandsVisibilityBuffer() [e:\p4v\engine\source\runtime\renderer\private\hairstrands\hairstrandsvisibility.cpp:2136]
UE4Editor_Renderer!FDeferredShadingSceneRenderer::Render() [e:\p4v\engine\source\runtime\renderer\private\deferredshadingrenderer.cpp:2210]
UE4Editor_Renderer!RenderViewFamily_RenderThread() [e:\p4v\engine\source\runtime\renderer\private\scenerendering.cpp:3472]
UE4Editor_Renderer!TGraphTask<TEnqueueUniqueRenderCommandType<`FRendererModule::BeginRenderingViewFamily'::`35'::FDrawSceneCommandName,<lambda_8bcc412e10bcd187b24c970498a660ac> > >::ExecuteTask() [e:\p4v\engine\source\runtime\core\public\async\taskgraphinterfaces.h:847]
UE4Editor_Core!FNamedTaskThread::ProcessTasksNamedThread() [e:\p4v\engine\source\runtime\core\private\async\taskgraph.cpp:685]
UE4Editor_Core!FNamedTaskThread::ProcessTasksUntilQuit() [e:\p4v\engine\source\runtime\core\private\async\taskgraph.cpp:582]
UE4Editor_RenderCore!RenderingThreadMain() [e:\p4v\engine\source\runtime\rendercore\private\renderingthread.cpp:340]
UE4Editor_RenderCore!FRenderingThread::Run() [e:\p4v\engine\source\runtime\rendercore\private\renderingthread.cpp:471]
UE4Editor_Core!FRunnableThreadWin::Run() [e:\p4v\engine\source\runtime\core\private\windows\windowsrunnablethread.cpp:96]

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Unresolved
ComponentRendering
Affects Versions4.24.24.25
Target Fix4.25
CreatedFeb 10, 2020
UpdatedFeb 10, 2020