>That is what's so strange about this error.
>
>I am indeed using "optimistic table buffering" using;
>=CURSORSETPROP("buffering",5, 'vOrder')
>
>I can't find the Error in VFP HELP, and can't figure out why it triggers!

If you can't find the error in VFP Help, it may be a user defined error, possibly in one of the triggers?

[Update]
I see Aleksey has pointed you to the appropriate threads.