Description

Crash occurs when disabling Import Tags from Configs in the Project Settings under GamplayTags.

There are also ensures that occur with it, linked here. If these need a separate fix, I can enter a separate issue:

[Link Removed]

Steps to Reproduce
  1. Open QAGame in editor.
  2. Click on Edit > Project Settings.
  3. Select GameplayTags in the left section.
  4. Disable Import Tags from Config.

RESULT:

Crash.

Callstack
UE4Editor_GameplayTags!UGameplayTagsManager::ConstructNetIndex() gameplaytagsmanager.cpp:279 
UE4Editor_GameplayTags!UGameplayTagsManager::ConstructGameplayTagTree() gameplaytagsmanager.cpp:185 
UE4Editor_GameplayTagsEditor!FGameplayTagsEditorModule::OnEditorSettingsChanged() gameplaytagseditormodule.cpp:125 
UE4Editor_GameplayTagsEditor!TBaseRawMethodDelegateInstance<0,FGameplayTagsEditorModule,void __cdecl() delegateinstancesimpl.h:639 
UE4Editor_GameplayTags!TBaseMulticastDelegate<void>::Broadcast() delegatesignatureimpl.inl:922 
UE4Editor_CoreUObject!UObject::PostEditChangeChainProperty() obj.cpp:388 
UE4Editor_PropertyEditor!FPropertyNode::NotifyPostChange() propertynode.cpp:2313 
UE4Editor_PropertyEditor!FPropertyValueImpl::ImportText() propertyhandleimpl.cpp:527 
UE4Editor_PropertyEditor!FPropertyValueImpl::ImportText() propertyhandleimpl.cpp:331 
UE4Editor_PropertyEditor!FPropertyHandleBool::SetValue() propertyhandleimpl.cpp:2691 
UE4Editor_PropertyEditor!SPropertyEditorBool::OnCheckStateChanged() spropertyeditorbool.cpp:82 
UE4Editor_PropertyEditor!TBaseSPMethodDelegateInstance<0,SPropertyEditorBool,0,TTypeWrapper<void> __cdecl() delegateinstancesimpl.h:318 
UE4Editor_PropertyEditor!TBaseSPMethodDelegateInstance<0,SPropertyEditorBool,0,void __cdecl() delegateinstancesimpl.h:425 
UE4Editor_Slate!SCheckBox::ToggleCheckedState() scheckbox.cpp:293 
UE4Editor_Slate!SCheckBox::OnMouseButtonUp() scheckbox.cpp:184 
UE4Editor_Slate!<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1>::operator() slateapplication.cpp:5009 
UE4Editor_Slate!FEventRouter::Route<FReply,FEventRouter::FToLeafmostPolicy,FPointerEvent,<lambda_8d0e9a1da76abd0a756a3a9d775f5ed1> >() slateapplication.cpp:215
UE4Editor_Slate!FSlateApplication::RoutePointerUpEvent() slateapplication.cpp:4998 
UE4Editor_Slate!FSlateApplication::ProcessMouseButtonUpEvent() slateapplication.cpp:5461 
UE4Editor_Slate!FSlateApplication::OnMouseUp() slateapplication.cpp:5438 
UE4Editor_Core!FWindowsApplication::ProcessDeferredMessage() windowsapplication.cpp:1680 
UE4Editor_Core!FWindowsApplication::DeferMessage() windowsapplication.cpp:2099 
UE4Editor_Core!FWindowsApplication::ProcessMessage() windowsapplication.cpp:842 
UE4Editor_Core!FWindowsApplication::AppWndProc() windowsapplication.cpp:706 
user32!<Unknown> 
user32!<Unknown> 
UE4Editor_Core!FWindowsPlatformMisc::PumpMessages() windowsplatformmisc.cpp:951 
UE4Editor!FEngineLoop::Tick() launchengineloop.cpp:2796 
UE4Editor!GuardedMain() launch.cpp:152 
UE4Editor!GuardedMainWrapper() launchwindows.cpp:126 
UE4Editor!WinMain() launchwindows.cpp:202 
UE4Editor!__scrt_common_main_seh() exe_common.inl:264 
kernel32!<Unknown> 
ntdll!<Unknown> 

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Fixed
ComponentUE - Gameplay
Affects Versions4.15
Target Fix4.15
Fix Commit3187682
Main Commit3198987
CreatedNov 4, 2016
ResolvedNov 4, 2016
UpdatedApr 27, 2018