I have just tried this formula and the value error message displays.
This is a conversions quote spreadsheet with 4 columns Processes, Cost,
Customer and Total. If nothing is selcted in the Processes column then the
other 3 display the #N/A symbol. The processes list is generated by creating
a named list from another spreadsheet. The processes column doesn't display
the #N/A symbol as there is a blank cell where it sits when no selection. For
appearances sake I would prefere not to have the #N/A symbol displaying when
no selection as it looks messy.
Hope this makes it clearer what I am trying to do .

"ryguy7272" wrote:

Maybe this:
=IF(ISNA(LOOKUP(B7,Processes!$B$5:$C$150,FALSE))," ",LOOKUP(B7,Processes!$B$5:$C$150,FALSE))

HTH,
Ryan---

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Ryan---
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"Lisa Cowan" wrote:

I am using the below to hide the #N/A when the cell is not used. However I
keep on getting the error message @you have to many arguements for this
function' and highlighting B7 and the beginning and FALSE at the end.

probably really simple solution - please help

=IF(ISNA(LOOKUP(B7,Processes!$B$5:$B$150,Processes !$C$5:$C$150,FALSE)),"",LOOKUP(B7,Processes!$B$5:$ B$150,Processes!$C$5:$C$150,FALSE)))

thanks
Lisa