I am using Excel 2003 and Visual Basic 6.3

VLOOKUP works fine in a worksheet but I am having trouble when I try to
invoke it in VB.

My code is

head = VLookup(code, "\icodes", 2)

Where code is a VB variable and "\icodes" is a named range on a worksheet.

I get the error message Function not defined.
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Tenerife Alan