SIGSEGV: invalid attempt to access memory at address 0x0

Multiple crashes with the crash report message: SIGSEGV: invalid attempt to access memory at address 0x0

Crash Report: [Link Removed]

<unknown module>! FSlateApplication::ProcessMouseMoveEvent(FPointerEvent&, bool)
<unknown module>! FSlateApplication::OnMouseMove()
<unknown module>! FMacApplication::ProcessNSEvent(NSEvent*)
<unknown module>! FMacApplication::ProcessEvent(FMacEvent const*)
<unknown module>! FCocoaRunLoopSource::Process(__CFString const*)
<unknown module>! -[FCocoaRunLoopSourceInfo()
<unknown module>! _CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_()
<unknown module>! __CFRunLoopDoSources0()
<unknown module>! __CFRunLoopRun()
<unknown module>! CFRunLoopRunSpecific()
<unknown module>! PerformBlockOnThread(FCocoaRunLoopSource&, void ()
<unknown module>! MainThreadCall(void ()
<unknown module>! FSlateMacMenu::UpdateWithMultiBox(TSharedRef<FMultiBox, (ESPMode)
<unknown module>! FTabManager::UpdateMainMenu(bool)
<unknown module>! FGlobalTabmanager::UpdateMainMenu(TSharedRef<SDockTab, (ESPMode)
<unknown module>! SDockingTabWell::BringTabToFront(int)
<unknown module>! SDockTab::ActivateInParent(ETabActivationCause)
<unknown module>! SDockingTabStack::OnFocusChanging(FWeakWidgetPath const&, FWidgetPath const&)
<unknown module>! FSlateApplication::SetUserFocus(unsigned int, FWidgetPath const&, EFocusCause)
<unknown module>! SWindow::OnFocusReceived(FGeometry const&, FFocusEvent const&)
<unknown module>! FSlateApplication::SetUserFocus(unsigned int, FWidgetPath const&, EFocusCause)
<unknown module>! FSlateApplication::ProcessWindowActivatedEvent(FWindowActivateEvent const&)
<unknown module>! FSlateApplication::OnWindowActivationChanged(TSharedRef<FGenericWindow, (ESPMode)
<unknown module>! FMacApplication::OnWindowDidBecomeKey(FCocoaWindow*)
<unknown module>! FMacApplication::ProcessEvent(FMacEvent const*)
<unknown module>! FCocoaRunLoopSource::Process(__CFString const*)
<unknown module>! -[FCocoaRunLoopSourceInfo()
<unknown module>! _CFRUNLOOP_IS_CALLING_OUT_TO_A_SOURCE0_PERFORM_FUNCTION_()
<unknown module>! __CFRunLoopDoSources0()
<unknown module>! __CFRunLoopRun()
<unknown module>! CFRunLoopRunSpecific()
<unknown module>! PerformBlockOnThread(FCocoaRunLoopSource&, void ()
<unknown module>! MainThreadCall(void ()
<unknown module>! FMacWindow::SetWindowFocus()
<unknown module>! FMacWindow::Destroy()
<unknown module>! FSlateApplication::PrivateDestroyWindow(TSharedRef<SWindow, (ESPMode)
<unknown module>! FSlateApplication::DestroyWindowsImmediately()
<unknown module>! FSlateApplication::RequestDestroyWindow(TSharedRef<SWindow, (ESPMode)
<unknown module>! FSlateApplication::DestroyWindowImmediately(TSharedRef<SWindow, (ESPMode)
<unknown module>! UEditorEngine::TeardownPlaySession(FWorldContext&)
<unknown module>! UEditorEngine::EndPlayMap()
<unknown module>! UEditorEngine::Tick(float, bool)
<unknown module>! UUnrealEdEngine::Tick(float, bool)
<unknown module>! FEngineLoop::Tick()
<unknown module>! GuardedMain(wchar_t const*)
<unknown module>! -[UE4AppDelegate()
<unknown module>! -[FCocoaGameThread()
<unknown module>! _NSThreadmain_()
<unknown module>! _pthread_body()
<unknown module>! _pthread_body()
<unknown module>! thread_start()

Unable to reproduce locally.