This is a somewhat common crash occurring for users in 4.17
User Descriptions
Source Context
7 UDestructibleChunkParamsProxy::UDestructibleChunkParamsProxy(const FObjectInitializer& ObjectInitializer) 8 :Super(ObjectInitializer) 9 { 10 11 } 12 13 void UDestructibleChunkParamsProxy::PostEditChangeProperty( struct FPropertyChangedEvent& PropertyChangedEvent ) 14 { 15 check(DestructibleMesh != NULL && DestructibleMesh->FractureSettings != NULL); 16 17 ***** if (DestructibleMesh->FractureSettings->ChunkParameters.Num() > ChunkIndex) 18 { 19 DestructibleMesh->FractureSettings->ChunkParameters[ChunkIndex] = ChunkParams; 20 }
Create a new destructible mesh
Open the DM editor
Fracture the mesh and select a chunk (blue box visible)
Force delete the DM in the content browser
Assertion failed: DestructibleMesh != NULL && DestructibleMesh->FractureSettings != NULL [File:D:\Build\++UE4+Release-4.17+Compile\Sync\Engine\Source\Editor\DestructibleMeshEditor\Private\DestructibleChunkParamsProxy.cpp] [Line: 16] UE4Editor_DestructibleMeshEditor!UDestructibleChunkParamsProxy::PostEditChangeProperty() [destructiblechunkparamsproxy.cpp:18] UE4Editor_UnrealEd!ObjectTools::ForceReplaceReferences() [objecttools.cpp:791] UE4Editor_UnrealEd!ObjectTools::ForceDeleteObjects() [objecttools.cpp:2304] UE4Editor_UnrealEd!FAssetDeleteModel::DoForceDelete() [assetdeletemodel.cpp:316] UE4Editor_UnrealEd!SDeleteAssetsDialog::ForceDelete() [sdeleteassetsdialog.cpp:717] UE4Editor_UnrealEd!TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [delegateinstanceinterface.h:165] UE4Editor_UnrealEd!UE4Tuple_Private::TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [tuple.h:497] UE4Editor_UnrealEd!TBaseSPMethodDelegateInstance<0,SDeleteAssetsDialog,0,FReply __cdecl() [delegateinstancesimpl.h:327] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:537] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:282] UE4Editor_Slate!<lambda_1002768c627006711ef2f351a87ec0e7>::operator() [slateapplication.cpp:5199] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_1002768c627006711ef2f351a87ec0e7> >() [slateapplication.cpp:232] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:5188] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5690] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5670] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1718] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsApplication::PumpMessages() [windowsapplication.cpp:2173] UE4Editor_Slate!FSlateApplication::TickPlatform() [slateapplication.cpp:1613] UE4Editor_Slate!FSlateApplication::AddModalWindow() [slateapplication.cpp:2094] UE4Editor_UnrealEd!UEditorEngine::EditorAddModalWindow() [editorengine.cpp:3845] UE4Editor_UnrealEd!ObjectTools::DeleteObjects() [objecttools.cpp:1836] UE4Editor_UnrealEd!ObjectTools::DeleteAssets() [objecttools.cpp:1743] UE4Editor_ContentBrowser!FAssetContextMenu::ExecuteDelete() [assetcontextmenu.cpp:1816] UE4Editor_ContentBrowser!SContentBrowser::HandleDeleteCommandExecute() [scontentbrowser.cpp:2131] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:327] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl() [delegateinstancesimpl.h:434] UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() [uicommandlist.cpp:216] UE4Editor_Slate!FUICommandList::ProcessCommandBindings() [uicommandlist.cpp:160] UE4Editor_ContentBrowser!SContentBrowser::OnKeyDown() [scontentbrowser.cpp:1068] UE4Editor_Slate!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator() [slateapplication.cpp:4771] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() [slateapplication.cpp:232] UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() [slateapplication.cpp:214] UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() [slateapplication.cpp:4769] UE4Editor_Slate!FSlateApplication::OnKeyDown() [slateapplication.cpp:4681] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1553] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:2161] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:881] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:721] user32!UserCallWinProcCheckWow() user32!DispatchMessageWorker() UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:1009] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:3151] UE4Editor!GuardedMain() [launch.cpp:166] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134] UE4Editor!WinMain() [launchwindows.cpp:210] UE4Editor!__scrt_common_main_seh() [exe_common.inl:253] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
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| 0 |
| Component | UE - Simulation - Physics - Destruction |
|---|---|
| Affects Versions | 4.17 |
| Target Fix | 4.18 |
| Created | Sep 14, 2017 |
|---|---|
| Resolved | Sep 22, 2017 |
| Updated | Apr 27, 2018 |