>Thanks Sergey, but it was the Pjt Files the one whuich had problems.

How would you know? Maybe the link to a memo field record, that is stored in PJX, was corrupted?

>And what do you think about defining classes in a prg file ? I know
>I'll lose the visual benefits, but it sounds more solid !

I prefer to use PRGs for non-visual classes and VCX for visual.