[CrashReport] Mac crash - UE4Game!FShaderCache::InternalSetGraphicsPipelineState

[2017.11.21-20.30.49:058][  0]LogRenderer: Reallocating scene render targets to support 1440x900 Format 10 NumSamples 1 (Frame:1).
[2017.11.21-20.30.49:153][  0]LogInit: Adding external input plugin.
[2017.11.21-20.30.49:159][  0]LogContentStreaming: Texture pool size now 1000 MB
[2017.11.21-20.30.49:641][  2]LogMac: Error: appError called: Assertion failed:  [File:/Users/build/Build/++UE4+Release-4.18+Compile/Sync/Engine/Source/Runtime/ShaderCore/Private/ShaderCache.cpp] [Line: 1964] 
Binding invalid bound-shader-state 0x1236e46f0

[2017.11.21-20.30.49:650][  2]LogMac: === Critical error: ===
SIGSEGV: invalid attempt to access memory at address 0x3

[2017.11.21-20.30.49:650][  2]LogMac: 0x031b65ab UE4Game!FGenericPlatformMisc::RaiseException(unsigned int)   [UnknownFile]) 
0x039c099e UE4Game!FMacErrorOutputDevice::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&)   [UnknownFile]) 
0x033d3d7d UE4Game!FOutputDevice::Logf(wchar_t const*, ...)   [UnknownFile]) 
0x033676eb UE4Game!FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, ...)   [UnknownFile]) 
0x0584b65f UE4Game!FShaderCache::InternalSetGraphicsPipelineState(FShaderCacheState&, FRHIGraphicsPipelineState*)   [UnknownFile]) 
0x070b95de UE4Game!FMetalRHICommandContext::RHISetGraphicsPipelineState(FRHIGraphicsPipelineState*)   [UnknownFile]) 
0x057d5d29 UE4Game!FRHICommandListExecutor::ExecuteInner_DoExecute(FRHICommandListBase&)   [UnknownFile]) 
0x05810bc3 UE4Game!FExecuteRHIThreadTask::DoTask(ENamedThreads::Type, TRefCountPtr<FGraphEvent> const&)   [UnknownFile]) 
0x058103af UE4Game!TGraphTask<FExecuteRHIThreadTask>::ExecuteTask(TArray<FBaseGraphTask*, FDefaultAllocator>&, ENamedThreads::Type)   [UnknownFile]) 
0x031cb5f3 UE4Game!FNamedTaskThread::ProcessTasksNamedThread(int, bool)   [UnknownFile]) 
0x031ca678 UE4Game!FNamedTaskThread::ProcessTasksUntilQuit(int)   [UnknownFile]) 
0x031c6f6e UE4Game!FTaskGraphImplementation::ProcessThreadUntilRequestReturn(ENamedThreads::Type)   [UnknownFile]) 
0x057aed8f UE4Game!FRHIThread::Run()   [UnknownFile]) 
0x03224c0e UE4Game!FRunnableThreadPThread::Run()   [UnknownFile]) 
0x031e1597 UE4Game!FRunnableThreadPThread::_ThreadProc(void*)   [UnknownFile]) 
0x7c7436c1 libsystem_pthread.dylib!_pthread_body()   [UnknownFile]) 
0x7c74356d libsystem_pthread.dylib!_pthread_body()   [UnknownFile]) 
0x7c742c5d libsystem_pthread.dylib!thread_start()   [UnknownFile]) 

SEGV_MAPERR at 0x3

UE4Game!FShaderCache::InternalSetGraphicsPipelineState() 
UE4Game!FMetalRHICommandContext::RHISetGraphicsPipelineState() 
UE4Game!FRHICommandListExecutor::ExecuteInner_DoExecute() 
UE4Game!FExecuteRHIThreadTask::DoTask() 
UE4Game!TGraphTask<FExecuteRHIThreadTask>::ExecuteTask() 
UE4Game!FNamedTaskThread::ProcessTasksNamedThread() 
UE4Game!FNamedTaskThread::ProcessTasksUntilQuit() 
UE4Game!FTaskGraphImplementation::ProcessThreadUntilRequestReturn() 
UE4Game!FRHIThread::Run() 
UE4Game!FRunnableThreadPThread::Run() 
UE4Game!FRunnableThreadPThread::_ThreadProc() 
libsystem_pthread.dylib!<Unknown> 
libsystem_pthread.dylib!<Unknown> 
libsystem_pthread.dylib!<Unknown>