Because column 13 of Rawdata, row that has A2 in it, is zero or blank.

Regards,
Fred

"PAL" wrote in message
...
Can someone advise why this formula returns a "0" and not a blank?

=IF(ISERROR(VLOOKUP(A2,Rawdata,13,FALSE)),"",VLOOK UP(A2,Rawdata,13,FALSE))

Thanks.