UE4.14.3 crashes on launch - mac os sierra 10.12.3 and XCode 8 Intel Iris Pro GPU

UE4.14.3 crashes on launch - mac os sierra 10.12.3 and XCode 8 Intel Iris Pro GPU

SEGV_MAPERR at 0x3

FGenericPlatformMisc::RaiseException(unsigned int) Address = 0x104abcdab (filename not found) [in UE4Editor-Core.dylib]
FOutputDeviceMacError::Serialize(wchar_t const*, ELogVerbosity::Type, FName const&) Address = 0x104c75378 (filename not found) [in UE4Editor-Core.dylib]
FOutputDevice::Logf(wchar_t const*, …) Address = 0x104d52d17 (filename not found) [in UE4Editor-Core.dylib]
FDebug::AssertFailed(char const*, char const*, int, wchar_t const*, …) Address = 0x104cd1b7e (filename not found) [in UE4Editor-Core.dylib]
LoadPhysXModules()::$_0::operator()(FString const&) const Address = 0x10701c1ae (filename not found) [in UE4Editor-Engine.dylib]
LoadPhysXModules() Address = 0x10701baaf (filename not found) [in UE4Editor-Engine.dylib]
InitGamePhys() Address = 0x106fe5029 (filename not found) [in UE4Editor-Engine.dylib]
FEngineLoop::PreInit(wchar_t const*) Address = 0x1049c4832 (filename not found) [in UE4Editor]
GuardedMain(wchar_t const*) Address = 0x1049d78a1 (filename not found) [in UE4Editor]
-[UE4AppDelegate runGameThread:] Address = 0x1049e516c (filename not found) [in UE4Editor]
-[FCocoaGameThread main] Address = 0x104c04526 (filename not found) [in UE4Editor-Core.dylib]
Unknown() Address = 0x7fff9e5e8c6d (filename not found) [in Foundation]
_pthread_body Address = 0x7fffb2332aab (filename not found) [in libsystem_pthread.dylib]
_pthread_body Address = 0x7fffb23329f7 (filename not found) [in libsystem_pthread.dylib]
thread_start Address = 0x7fffb23321fd (filename not found) [in libsystem_pthread.dylib]