Possible incorrect pointer manipulation in BeginPackageCacheForCookedPlatformData

bool UCookOnTheFlyServer::BeginPackageCacheForCookedPlatformData(UPackage* Package, const TArray<const ITargetPlatform*>& TargetPlatforms, FCookerTimer& Timer) const
{
	COOK_STAT(FScopedDurationTimer DurationTimer(DetailedCookStats::TickCookOnTheSideBeginPackageCacheForCookedPlatformDataTimeSec));

#if DEBUG_COOKONTHEFLY 
	UE_LOG(LogCook, Display, TEXT("Caching objects for package %s"), *Package->GetFName().ToString());
#endif
	MakePackageFullyLoaded(Package);
	FReentryData& CurrentReentryData = GetReentryData(Package);

	if (CurrentReentryData.bIsValid == false)
		return true;

	if (CurrentReentryData.bBeginCacheFinished)
		return true;

	for (; CurrentReentryData.BeginCacheCount < CurrentReentryData.CachedObjectsInOuter.Num(); ++CurrentReentryData.BeginCacheCount)
	{
		UObject* Obj = CurrentReentryData.CachedObjectsInOuter[CurrentReentryData.BeginCacheCount];
		for (const ITargetPlatform* TargetPlatform : TargetPlatforms)
		{
			const FName ClassFName = Obj->GetClass()->GetFName();
			int32* CurrentAsyncCache = CurrentAsyncCacheForType.Find(ClassFName);
			if ( CurrentAsyncCache != nullptr )
			{
				if ( *CurrentAsyncCache <= 0 )
				{
					return false;
				}

				int32* Value = CurrentReentryData.BeginCacheCallCount.Find(ClassFName);
				if ( !Value )
				{
					CurrentReentryData.BeginCacheCallCount.Add(ClassFName,1);
				}
				else
				{
					*Value += 1;
				}
				CurrentAsyncCache -= 1;
			}

			if (Obj->IsA(UMaterialInterface::StaticClass()))
			{
				if (GShaderCompilingManager->GetNumRemainingJobs() > MaxConcurrentShaderJobs)
				{
#if DEBUG_COOKONTHEFLY
					UE_LOG(LogCook, Display, TEXT("Delaying shader compilation of material %s"), *Obj->GetFullName());
#endif
					return false;
				}
			}
			Obj->BeginCacheForCookedPlatformData(TargetPlatform);
		}

		if (Timer.IsTimeUp())
		{
#if DEBUG_COOKONTHEFLY
			UE_LOG(LogCook, Display, TEXT("Object %s took too long to cache"), *Obj->GetFullName());
#endif
			return false;
		}
	}

	CurrentReentryData.bBeginCacheFinished = true;
	return true;

}