Get widget class by name?

hi, im a bit confuse…
Everything worked perfectly and suddenly everytime my function return null…

TSubclassOf<UUserWidget> UcppFunctionLibrary::getWidgetClassByName(FString path)
{
	UObject* ClassPackage = ANY_PACKAGE;
	UClass* Result;

	const TCHAR* p = *path;

	Result = FindObject<UClass>(ClassPackage, p);

	if (!Result)
	{
		UE_LOG(LogClass, Error, TEXT("No tree class at path: %s"), *path);
	}

	return Result;
}