Hello Christof!

> don't get an error when I run your query. How long is the compound key you >use to join A and B? Maybe this string got too long.

I don't have error when run query in VFP6 and VFP9 too.

But I have error when modify/save form contained this query
in VFP9 and then run in VFP6.

Moreover when I modify/save this form in VFP6 all works right.

Thanks for answer.