>>Another thing to check for is if you've used the MEMBERDATA property while n VFP9. Once you do that, you may have problems moving back to earlier versions of VFP.
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>Fred,
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>Is there any way to get this working back in VFP8? I probably added MemberData thinking I would not need to use the class in VFP8. But now I have to work with VFP8 again and I'm having this error.
>
>UPDATE. Hacking the class and removing _memberdata fixed the problem.

Wow, sure glad you have it solved. I couldn't even remember that message until I saw that it was over a year and a half ago. Really digging in the archives, aren't we? <g>