Dr. Daccacahe,
For this problem I think you should send your question to a mailing list
(:-Þ).

SoftLiban DACCACHE Walid wrote:

> Hi to all,
>
> I was doing straight summation on the column level using the
> sum(Range/purchase) function and was doing great. But when I tried more
> complex calculations like
>
> sum(Range/purchase * Range/Quantity) I couldn't generate the output
> file.
>
> Instead I got the following:
>
> "Error in XSL processing Can not convert #UNKNOWN to a NodeList!"
>
> Any idea on how to do these calculations.
>
> Thanks
>
>  XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list


 XSL-List info and archive:  http://www.mulberrytech.com/xsl/xsl-list