See Debra's site for information
http://www.contextures.com/xlFunctions02.html#Range

Check out this part
http://www.contextures.com/xlFunctions02.html#Trouble

--
Regards Ron de Bruin
http://www.rondebruin.nl


"Lucien" wrote in message ...
I keep getting a #N/A error when using this formula and I don't know why:

=VLOOKUP(A2,'Apr-MayMaterial'!A2:D735,4,0)

Am I doing something wrong within the formula?