>>Are you sure you're not running into grid re-construction problem?
>>
>>You may want to review Grid reconstruction and how to avoid it FAQ #8019
>
>No, I learned to avoid that quite a long time ago. That FAQ is kind of outdated in some ways. Or maybe it's just that I feel there are better ways to avoid the problem than what he presented.

It may be outdated, I haven't re-read it myself.