This is an infrequent Mac crash that has occurred for users since 4.16. Users have not provided any descriptions of their actions when the crash occurred.
There is no record of a similar callstack occurring on Windows.
Callstack from Log
2017.09.08-20.53.38:274][ 74]LogSavePackage: Display: Finished SavePackage ../../../../../../***/Desktop/Unreal Projects/***/Content/Audio/SoundCues/Footsteps/Footstep_BrokenStone.uasset [2017.09.08-20.53.46:185][376]LogLinker: Warning: Can't find file '/Game/Audio/SoundCues/Footsteps/Footstep_BrokenStone1' [2017.09.08-20.53.46:185][376]LogLinker: Warning: Can't find file '/Game/Audio/SoundCues/Footsteps/Footstep_BrokenStone1' [2017.09.08-20.53.46:185][376]LogUObjectGlobals: Warning: Failed to find object 'Object /Game/Audio/SoundCues/Footsteps/Footstep_BrokenStone1.Footstep_BrokenStone1' [2017.09.08-20.54.24:117][336]LogEditorTransaction: Undo Delete Selected Sound Cue Node [2017.09.08-20.54.57:241][ 6]LogMac: === Critical error: === SIGSEGV: invalid attempt to access memory at address 0x0 [2017.09.08-20.54.57:241][ 6]LogMac: FSoundCueEditor::DeleteInput() Address = 0x24d5d167 (filename not found) [in UE4Editor-AudioEditor.dylib] TBaseSPMethodDelegateInstance<false, FSoundCueEditor, (ESPMode)0, TTypeWrapper<void> ()>::Execute() const Address = 0x24dc509b (filename not found) [in UE4Editor-AudioEditor.dylib] TBaseSPMethodDelegateInstance<false, FSoundCueEditor, (ESPMode)0, void ()>::ExecuteIfSafe() const Address = 0x24dc513b (filename not found) [in UE4Editor-AudioEditor.dylib] FUICommandList::ExecuteAction(TSharedRef<FUICommandInfo const, (ESPMode)0>) const Address = 0xed274d5 (filename not found) [in UE4Editor-Slate.dylib] SMenuEntryBlock::OnClicked(bool) Address = 0xee5d75a (filename not found) [in UE4Editor-Slate.dylib] SMenuEntryBlock::OnMenuItemButtonClicked() Address = 0xee4aef6 (filename not found) [in UE4Editor-Slate.dylib] TBaseSPMethodDelegateInstance<false, SMenuEntryBlock, (ESPMode)0, FReply ()>::Execute() const Address = 0xeee41b1 (filename not found) [in UE4Editor-Slate.dylib] SButton::OnMouseButtonUp(FGeometry const&, FPointerEvent const&) Address = 0xef3ccdf (filename not found) [in UE4Editor-Slate.dylib] SMenuEntryButton::OnMouseButtonUp(FGeometry const&, FPointerEvent const&) Address = 0xeee5ac8 (filename not found) [in UE4Editor-Slate.dylib] FSlateApplication::RoutePointerUpEvent(FWidgetPath&, FPointerEvent&) Address = 0xecf4f74 (filename not found) [in UE4Editor-Slate.dylib] FSlateApplication::ProcessMouseButtonUpEvent(FPointerEvent&) Address = 0xec920da (filename not found) [in UE4Editor-Slate.dylib] FSlateApplication::OnMouseUp(EMouseButtons::Type, FVector2D) Address = 0xecfe5fd (filename not found) [in UE4Editor-Slate.dylib] FMacApplication::ProcessEvent(FDeferredMacEvent const&) Address = 0xc75a90b (filename not found) [in UE4Editor-Core.dylib] FMacApplication::ProcessDeferredEvents(float) Address = 0xc7587bf (filename not found) [in UE4Editor-Core.dylib] FSlateApplication::TickPlatform(float) Address = 0xecc066b (filename not found) [in UE4Editor-Slate.dylib] FSlateApplication::Tick(ESlateTickType) Address = 0xecbfaa4 (filename not found) [in UE4Editor-Slate.dylib] FEngineLoop::Tick() Address = 0xc479011 (filename not found) [in UE4Editor] GuardedMain(wchar_t const*) Address = 0xc47fc22 (filename not found) [in UE4Editor] -[UE4AppDelegate runGameThread:] Address = 0xc48d5d0 (filename not found) [in UE4Editor] -[FCocoaGameThread main] Address = 0xc74fcc6 (filename not found) [in UE4Editor-Core.dylib] __NSThread__start__() Address = 0xcb7e88ad (filename not found) [in Foundation] _pthread_body() Address = 0xdf75e93b (filename not found) [in libsystem_pthread.dylib] _pthread_body() Address = 0xdf75e887 (filename not found) [in libsystem_pthread.dylib] thread_start() Address = 0xdf75e08d (filename not found) [in libsystem_pthread.dylib]
repro steps currently unknown
SEGV_MAPERR at 0x0 UE4Editor-AudioEditor.dylib!FSoundCueEditor::DeleteInput() UE4Editor-AudioEditor.dylib!TBaseSPMethodDelegateInstance<false, FSoundCueEditor, (ESPMode)0, TTypeWrapper<void> ()>::Execute() UE4Editor-AudioEditor.dylib!TBaseSPMethodDelegateInstance<false, FSoundCueEditor, (ESPMode)0, void ()>::ExecuteIfSafe() UE4Editor-Slate.dylib!FUICommandList::ExecuteAction(TSharedRef<FUICommandInfo const,() UE4Editor-Slate.dylib!SMenuEntryBlock::OnClicked() UE4Editor-Slate.dylib!SMenuEntryBlock::OnMenuItemButtonClicked() UE4Editor-Slate.dylib!TBaseSPMethodDelegateInstance<false, SMenuEntryBlock, (ESPMode)0, FReply ()>::Execute() UE4Editor-Slate.dylib!SButton::OnMouseButtonUp() UE4Editor-Slate.dylib!SMenuEntryButton::OnMouseButtonUp() UE4Editor-Slate.dylib!FSlateApplication::RoutePointerUpEvent() UE4Editor-Slate.dylib!FSlateApplication::ProcessMouseButtonUpEvent() UE4Editor-Slate.dylib!FSlateApplication::OnMouseUp() UE4Editor-Core.dylib!FMacApplication::ProcessEvent() UE4Editor-Core.dylib!FMacApplication::ProcessDeferredEvents() UE4Editor-Slate.dylib!FSlateApplication::TickPlatform() UE4Editor-Slate.dylib!FSlateApplication::Tick() UE4Editor!FEngineLoop::Tick() UE4Editor!GuardedMain() UE4Editor!<Unknown> UE4Editor-Core.dylib!<Unknown> Foundation!Unknown() libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown> libsystem_pthread.dylib!<Unknown>
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