>No, just plain old VFP 6.0. One edit session the dataenvironment is there, and the next time I attempt to run it, I get errors. I check the environment, and it's totally empty.
>
>I'm sure it's something I'm doing, just not sure. Than you for your help!

Hm. Well, if you've really narrowed it down to editing the table structure and form at the same time, and it continues to happen, I guess I'd suggest...STOP DOING THAT. Just kidding about the shouting! :-) But, yeah, don't do that. Wish I could be more helpful.