I have no idea.... but my VFP 6.0 SPE returns: "Codigo de error -20 desconocido"
>I already solved this situation, but I am curious about the general principle involved.
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>Try the following:
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>
Create a new form.
>Create a custom property.
>Assign the following value to the custom property: (viewlevel>=gu_userlevel or viewlevel=0) and (empty(workgroup) or gu_workgroup = "todo" or ";" + alltrim(gu_workgroup) + ";" $ ";" + alltrim(workgroup) + ";")
>Save the form, and try to open it again.
>
>In VFP 6, I get the error message "Syntax error", without further explanation, and can't open the form. The problem can be corrected by hacking the form, placing "=[" at the beginning, and "]" at the end of the above expression. But in the beginning, I didn't know what created the syntax error, and found it easier to recreate the entire form from scratch.
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>Strangely, I didn't get any error message when placing the above value to the "Comment" property.
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>Hilmar.