UE4 Crash Log

[2016.09.20-07.02.14:671][888]LogLinux: === Critical error: ===
Unhandled Exception: SIGSEGV: invalid attempt to access memory at address 0x00000000

[2016.09.20-07.02.14:672][888]LogLinux: Fatal error!

[Callstack]  00  0x00007eff9513677f  FLinuxPlatformStackWalk::CaptureStackBackTrace(unsigned long long*, unsigned int, void*)
[Callstack]  01  0x00007eff95013775  FGenericPlatformStackWalk::StackWalkAndDump(char*, unsigned long, int, void*)
[Callstack]  02  0x00007eff950f51a1  FLinuxCrashContext::CaptureStackTrace()
[Callstack]  03  0x00007eff8a336480  CommonLinuxCrashHandler(FGenericCrashContext const&)
[Callstack]  04  0x00007eff950f9a14  PlatformCrashHandler(int, siginfo_t*, void*)
[Callstack]  05  0x00007eff95f82080  /usr/lib/libpthread.so.0(+0x11080) [0x7eff95f82080]
[Callstack]  06  0x00007eff9537618f  /opt/unreal-engine/Engine/Binaries/Linux/libUE4Editor-Core.so(+0x60418f) [0x7eff9537618f]
[Callstack]  07  0x00007eff95390b4f  /opt/unreal-engine/Engine/Binaries/Linux/libUE4Editor-Core.so(+0x61eb4f) [0x7eff95390b4f]
[Callstack]  08  0x00007eff9536a5ad  /opt/unreal-engine/Engine/Binaries/Linux/libUE4Editor-Core.so(je_realloc+0x14d) [0x7eff9536a5ad]
[Callstack]  09  0x00000000004337b0  TArray<wchar_t, FDefaultAllocator>::ResizeForCopy(int, int) [Runtime/Core/Public/Containers/ContainerAllocationPolicies.h, line 501]
[Callstack]  10  0x00007eff950c4ff8  FText::FText(FString&&)
[Callstack]  11  0x00007eff950cb8aa  FText::FromString(FString const&)
[Callstack]  12  0x00007eff73a849e8  SceneOutliner::SActorTreeLabel::GetDisplayText() const
[Callstack]  13  0x00007eff73a87cfe  TBaseSPMethodDelegateInstance<true, SceneOutliner::SActorTreeLabel, (ESPMode)0, FText ()>::Execute() const
[Callstack]  14  0x00007eff9051eda3  TAttribute<FText>::Get() const
[Callstack]  15  0x00007eff8eac415f  FTextBlockLayout::ComputeDesiredSize(FTextBlockLayout::FWidgetArgs const&, float, FTextBlockStyle const&)
[Callstack]  16  0x00007eff8ead3063  STextBlock::ComputeDesiredSize(float) const
[Callstack]  17  0x00007eff8e2d98cd  SWidget::CacheDesiredSize(float)
[Callstack]  18  0x00007eff8e26694d  SWidget::SlatePrepass(float)
[Callstack]  19  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  20  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  21  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  22  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  23  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  24  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  25  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  26  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  27  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  28  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  29  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  30  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  31  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  32  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  33  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  34  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  35  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  36  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  37  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  38  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  39  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  40  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  41  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  42  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  43  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  44  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  45  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  46  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  47  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  48  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  49  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  50  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  51  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  52  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  53  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  54  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  55  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  56  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  57  0x00007eff8e266900  SWidget::SlatePrepass(float)
[Callstack]  58  0x00007eff8e84269e  /opt/unreal-engine/Engine/Binaries/Linux/libUE4Editor-Slate.so(+0x1cc69e) [0x7eff8e84269e]
[Callstack]  59  0x00007eff8e8420ad  FSlateApplication::DrawPrepass(TSharedPtr<SWindow, (ESPMode)0>)
[Callstack]  60  0x00007eff8e83ffa1  FSlateApplication::PrivateDrawWindows(TSharedPtr<SWindow, (ESPMode)0>)
[Callstack]  61  0x00007eff8e8455e2  FSlateApplication::TickApplication(float)
[Callstack]  62  0x00007eff8e8436e3  FSlateApplication::Tick()
[Callstack]  63  0x0000000000422434  FEngineLoop::Tick() [/opt/unreal-engine/Engine/Source/Runtime/Launch/Private/LaunchEngineLoop.cpp, line 2869]
[Callstack]  64  0x0000000000425d9a  GuardedMain(wchar_t const*) [/opt/unreal-engine/Engine/Source/Runtime/Launch/Private/Launch.cpp, line 156]
[Callstack]  65  0x00007eff8a336dfb  CommonLinuxMain(int, char**, int (*)(wchar_t const*))
[Callstack]  66  0x00007eff89884291  /usr/lib/libc.so.6(__libc_start_main+0xf1) [0x7eff89884291]
[Callstack]  67  0x0000000000413f0a  /opt/unreal-engine/Engine/Binaries/Linux/UE4Editor(_start+0x2a) [0x413f0a]