just followed the steps of Platform Example E here,
and UE crashes during launch
log:
KERNELBASE
UE4Editor_OnlineSubsystemOculus!_delayLoadHelper2()
UE4Editor_OnlineSubsystemOculus!_tailMerge_LibOVRPlatform64_1_dll()
UE4Editor_OnlineSubsystemOculus!FOnlineSubsystemOculus::Shutdown()
UE4Editor_OnlineSubsystemOculus!FOnlineSubsystemOculus::Init()
UE4Editor_OnlineSubsystemOculus!FOnlineFactoryOculus::CreateSubsystem()
UE4Editor_OnlineSubsystem!FOnlineSubsystemModule::GetOnlineSubsystem()
UE4Editor_OnlineSubsystem!IOnlineSubsystem::Get()
UE4Editor_OnlineSubsystemOculus!Online::GetIdentityInterface()
UE4Editor_OnlineSubsystemOculus!UOculusEntitlementCallbackProxy::Activate()
UE4Editor_OnlineSubsystemOculus!UOculusEntitlementCallbackProxy::VerifyEntitlement()
UE4Editor_OnlineSubsystemOculus!UOculusEntitlementCallbackProxy::execVerifyEntitlement()
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4280]
UE4Editor_CoreUObject!UObject::CallFunction() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:697]
UE4Editor_CoreUObject!UObject::ProcessContextOpcode() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:2126]
UE4Editor_CoreUObject!UObject::execLetObj() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1961]
UE4Editor_CoreUObject!UObject::ProcessInternal() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:922]
UE4Editor_CoreUObject!UObject::CallFunction() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:821]
UE4Editor_CoreUObject!UObject::ProcessInternal() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:922]
UE4Editor_CoreUObject!UFunction::Invoke() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\class.cpp:4280]
UE4Editor_CoreUObject!UObject::ProcessEvent() [d:\build++ue4+release-4.13+compile\sync\engine\source\runtime\coreuobject\private\uobject\scriptcore.cpp:1305]