This Jira was created from CrashReports submitted by the public due to the high number of occurrences. Descriptions from users are provided below.
Error message:
Assertion failed: IsValid() [Link Removed] [Line: 728]
Source Context:
1774 delete AsyncBuildInstanceBufferTask;
1775 AsyncBuildInstanceBufferTask = nullptr;
1776 }
1777 }
1778
1779
1780
1781 void UHierarchicalInstancedStaticMeshComponent::Serialize(FArchive& Ar)
1782 {
1783 Super::Serialize(Ar);
1784 if (Ar.IsLoading())
1785 {
1786 ClusterTreePtr = MakeShareable(new TArray<FClusterNode>);
1787 }
1788 ***** TArray<FClusterNode>& ClusterTree = *ClusterTreePtr;
1789 ClusterTree.BulkSerialize(Ar);
1790 if (Ar.IsLoading() && !BuiltInstanceBounds.IsValid)
1791 {
1792 BuiltInstanceBounds = (ClusterTree.Num() > 0 ? FBox(ClusterTree[0].BoundMin, ClusterTree[0].BoundMax) : FBox(0));
1793 }
1794 }
1795
1796 void UHierarchicalInstancedStaticMeshComponent::RemoveInstanceInternal(int32 InstanceIndex)
1797 {
1798 PartialNavigationUpdate(InstanceIndex);
1799
1800 // Save the render index
1801 const int32 RemovedRenderIndex = InstanceReorderTable[InstanceIndex];
1802 if (RemovedRenderIndex != INDEX_NONE)
1803 {
Most recent user affected CL: 3106830
Logs:
[Link Removed]
[Link Removed]
Result: Editor Crashes during hot reload
UE4Editor_Engine!UHierarchicalInstancedStaticMeshComponent::Serialize() [hierarchicalinstancedstaticmesh.cpp:1789] UE4Editor_CoreUObject!FFindReferencersArchive::ResetPotentialReferencer() [findreferencersarchive.cpp:88] UE4Editor_UnrealEd!TFindObjectReferencers<UObject>::TFindObjectReferencers<UObject>() [archiveuobject.h:515] UE4Editor_UnrealEd!FReplaceReferenceHelper::FindAndReplaceReferences() [kismetreinstanceutilities.cpp:64] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass_Inner() [kismetreinstanceutilities.cpp:1616] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReplaceInstancesOfClass() [kismetreinstanceutilities.cpp:1276] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReinstanceInner() [kismetreinstanceutilities.cpp:570] UE4Editor_UnrealEd!FBlueprintCompileReinstancer::ReinstanceObjects() [kismetreinstanceutilities.cpp:732] UE4Editor_HotReload!FHotReloadModule::ReinstanceClass() [hotreload.cpp:1183] UE4Editor_HotReload!FHotReloadModule::ReinstanceClasses() [hotreload.cpp:1170] UE4Editor_HotReload!TBaseRawMethodDelegateInstance<0,FHotReloadModule,void __cdecl() [delegateinstancesimpl_variadics.inl:642] UE4Editor_CoreUObject!UClassReplaceHotReloadClasses() [uobjectbase.cpp:674] UE4Editor_CoreUObject!ProcessNewlyLoadedUObjects() [uobjectbase.cpp:821] UE4Editor_CoreUObject!TBaseStaticDelegateInstance<void __cdecl() [delegateinstancesimpl_variadics.inl:1021] UE4Editor_Core!TBaseMulticastDelegate<void>::Broadcast() [delegatesignatureimpl_variadics.inl:921] UE4Editor_Core!FModuleManager::LoadModuleWithFailureReason() [modulemanager.cpp:461] UE4Editor_Core!FModuleManager::LoadModule() [modulemanager.cpp:322] UE4Editor_HotReload!FHotReloadModule::DoHotReloadInternal() [hotreload.cpp:770] UE4Editor_HotReload!UE4Function_Private::TFunctionRefCaller<<lambda_885b6930da405f85c35121aefbb9aaaf>,void __cdecl() [function.h:308] UE4Editor_HotReload!FHotReloadModule::CheckForFinishedModuleDLLCompile() [hotreload.cpp:1817] UE4Editor_HotReload!FHotReloadModule::Tick() [hotreload.cpp:506] UE4Editor_UnrealEd!UEditorEngine::Tick() [editorengine.cpp:957] UE4Editor_UnrealEd!UUnrealEdEngine::Tick() [unrealedengine.cpp:368] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2775] UE4Editor!GuardedMain() [launch.cpp:148] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:200] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!BaseThreadInitThunk() ntdll!RtlUserThreadStart()
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-35710 in the post.
| 5 |
| Component | UE - Gameplay - Blueprint |
|---|---|
| Affects Versions | 4.12, 4.15 |
| Created | Sep 8, 2016 |
|---|---|
| Resolved | Jul 6, 2018 |
| Updated | Jul 9, 2018 |