This JIRA is being entered as a result of it being one of the top crashes occurring in 4.13 Preview 1.
Error message:
Ensure condition failed: Lhs.CurrentNum == Lhs.InitialNum [Link Removed] [Line: 196] Array has changed during ranged-for iteration!
Source Context:
2082 int32 ReplaceableObjectsNum = 0;
2083 {
2084 TArray<UObject*> ObjectsToReplace;
2085 ObjectsToReplace.Reserve(ObjectsToDelete.Num());
2086
2087 for(TWeakObjectPtr<UObject>& Object : ObjectsToDelete)
2088 {
2089 if(Object.IsValid())
2090 {
2091 ObjectsToReplace.Add(Object.Get());
2092 }
2093 }
2094
2095 for(UObject* Object : ObjectsToReplace)
2096 ***** {
2097 UBlueprint* BlueprintObject = Cast<UBlueprint>(Object);
2098 if (BlueprintObject)
2099 {
2100 // If we're a blueprint add our generated class as well
2101 if (BlueprintObject->GeneratedClass)
2102 {
2103 ObjectsToReplace.AddUnique(BlueprintObject->GeneratedClass);
2104 }
2105
2106 // Reparent any direct children to the parent class of the blueprint that's about to be deleted
2107 if(BlueprintObject->ParentClass != nullptr)
2108 {
2109 for(TObjectIterator<UClass> ClassIt; ClassIt; ++ClassIt)
2110 {
2111 UClass* ChildClass = *ClassIt;
Most recent user affected CL: 3072953
Logs:
[Link Removed]
[Link Removed]
[Link Removed]
CrashReporter User Descriptions:
Result: Editor crashes
UE4Editor_UnrealEd!ObjectTools::ForceDeleteObjects() [objecttools.cpp:2097] UE4Editor_UnrealEd!FAssetDeleteModel::DoForceDelete() [assetdeletemodel.cpp:284] UE4Editor_UnrealEd!SDeleteAssetsDialog::ForceDelete() [sdeleteassetsdialog.cpp:705] UE4Editor_UnrealEd!TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [delegateinstanceinterface.h:161] UE4Editor_UnrealEd!TTupleImpl<TIntegerSequence<unsigned int> >::ApplyAfter<TMemberFunctionCaller<SDeleteAssetsDialog,FReply() [tuple.h:115] UE4Editor_UnrealEd!TBaseSPMethodDelegateInstance<0,SDeleteAssetsDialog,0,FReply __cdecl() [delegateinstancesimpl.h:317] UE4Editor_Slate!TBaseDelegate<FReply>::Execute() [delegatesignatureimpl.inl:521] UE4Editor_Slate!SButton::OnMouseButtonUp() [sbutton.cpp:278] UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() [slateapplication.cpp:4891] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() [slateapplication.cpp:215] UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() [slateapplication.cpp:4880] UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() [slateapplication.cpp:5338] UE4Editor_Slate!FSlateApplication::OnMouseUp() [slateapplication.cpp:5318] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1584] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:1930] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:747] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:669] user32!<Unknown> user32!<Unknown> UE4Editor_Core!FWindowsApplication::PumpMessages() [windowsapplication.cpp:1942] UE4Editor_Slate!FSlateApplication::TickPlatform() [slateapplication.cpp:1481] UE4Editor_Slate!FSlateApplication::AddModalWindow() [slateapplication.cpp:1978] UE4Editor_UnrealEd!UEditorEngine::EditorAddModalWindow() [editorengine.cpp:3588] UE4Editor_UnrealEd!ObjectTools::DeleteObjects() [objecttools.cpp:1698] UE4Editor_UnrealEd!ObjectTools::DeleteAssets() [objecttools.cpp:1605] UE4Editor_ContentBrowser!FAssetContextMenu::ExecuteDelete() [assetcontextmenu.cpp:1784] UE4Editor_ContentBrowser!SContentBrowser::HandleDeleteCommandExecute() [scontentbrowser.cpp:1972] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,TTypeWrapper<void> __cdecl() [delegateinstancesimpl.h:317] UE4Editor_ContentBrowser!TBaseSPMethodDelegateInstance<0,SContentBrowser,0,void __cdecl() [delegateinstancesimpl.h:423] UE4Editor_Slate!FUICommandList::ConditionalProcessCommandBindings() [uicommandlist.cpp:211] UE4Editor_Slate!FUICommandList::ProcessCommandBindings() [uicommandlist.cpp:155] UE4Editor_ContentBrowser!SContentBrowser::OnKeyDown() [scontentbrowser.cpp:971] UE4Editor_Slate!<lambda_2afcd964c763e269e2d1a63f3a72f846>::operator() [slateapplication.cpp:4507] UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FBubblePolicy,FKeyEvent,<lambda_2afcd964c763e269e2d1a63f3a72f846> >() [slateapplication.cpp:215] UE4Editor_Slate!FEventRouter::RouteAlongFocusPath<FEventRouter::FBubblePolicy,<lambda_2afcd964c763e269e2d1a63f3a72f846>,FKeyEvent>() [slateapplication.cpp:197] UE4Editor_Slate!FSlateApplication::ProcessKeyDownEvent() [slateapplication.cpp:4505] UE4Editor_Slate!FSlateApplication::OnKeyDown() [slateapplication.cpp:4420] UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() [windowsapplication.cpp:1419] UE4Editor_Core!FWindowsApplication::DeferMessage() [windowsapplication.cpp:1930] UE4Editor_Core!FWindowsApplication::ProcessMessage() [windowsapplication.cpp:747] UE4Editor_Core!FWindowsApplication::AppWndProc() [windowsapplication.cpp:669] user32!<Unknown> user32!<Unknown> UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() [windowsplatformmisc.cpp:905] UE4Editor!FEngineLoop::Tick() [launchengineloop.cpp:2788] UE4Editor!GuardedMain() [launch.cpp:156] UE4Editor!GuardedMainWrapper() [launchwindows.cpp:126] UE4Editor!WinMain() [launchwindows.cpp:202] UE4Editor!__scrt_common_main_seh() [exe_common.inl:264] kernel32!<Unknown> ntdll!<Unknown>
There's no existing public thread on this issue, so head over to Questions & Answers just mention UE-34342 in the post.
| 0 |
| Component | UE - Gameplay - Blueprint |
|---|---|
| Affects Versions | 4.13, 4.14 |
| Created | Aug 8, 2016 |
|---|---|
| Resolved | Aug 8, 2016 |
| Updated | Apr 27, 2018 |