[CrashReport] UE4Editor_Engine!UEngine::AddOnScreenDebugMessage() [unrealengine.cpp:7733]

 7643       void UEngine::AddOnScreenDebugMessage(int32 Key, float TimeToDisplay, FColor DisplayColor, const FString& DebugMessage, bool bNewerOnTop, const FVector2D& TextScale)
 7644       {
 7645 ***** 	if (bEnableOnScreenDebugMessages == true)
 7646       	{
 7647       		AddOnScreenDebugMessage((uint64)Key, TimeToDisplay, DisplayColor, DebugMessage, bNewerOnTop, TextScale);
 7648       	}
 7649       }
 7650       

Access violation - code c0000005 (first/second chance not available)

UE4Editor_Engine!UEngine::AddOnScreenDebugMessage() [unrealengine.cpp:7733]
UE4Editor_A20180413_1491!<Unknown>
UE4Editor_Core!FVector2D::UnitVector()
UE4Editor_CoreUObject!FCoreUObjectDelegates::BroadcastOnObjectModified()
UE4Editor_CoreUObject!`string'()
UE4Editor_CoreUObject!UClass::CreateDefaultObject() [class.cpp:2749]
UE4Editor_CoreUObject!UObjectLoadAllCompiledInDefaultProperties() [uobjectbase.cpp:821]
UE4Editor_CoreUObject!ProcessNewlyLoadedUObjects() [uobjectbase.cpp:895]
UE4Editor_CoreUObject!TBaseStaticDelegateInstance<void __cdecl() [delegateinstancesimpl.h:788]
UE4Editor_Core!TBaseMulticastDelegate<void>::Broadcast() [delegatesignatureimpl.inl:937]
UE4Editor_Core!FModuleManager::LoadModuleWithFailureReason() [modulemanager.cpp:487]
UE4Editor_Projects!FModuleDescriptor::LoadModulesForPhase() [moduledescriptor.cpp:484]
UE4Editor_Projects!FProjectManager::LoadModulesForProject() [projectmanager.cpp:69]
UE4Editor!FEngineLoop::LoadStartupModules() [launchengineloop.cpp:2610]
UE4Editor!FEngineLoop::PreInit() [launchengineloop.cpp:2027]
UE4Editor!GuardedMain() [launch.cpp:127]
UE4Editor!GuardedMainWrapper() [launchwindows.cpp:134]
UE4Editor!WinMain() [launchwindows.cpp:210]
UE4Editor!__scrt_common_main_seh() [exe_common.inl:253]
kernel32!BaseThreadInitThunk()
ntdll!RtlUserThreadStart()