Hey, could anyone helpme to find out what is wrong with this code?

'write the quatity of hours we have to deliver special gases

Windows("anc.xls").Activate
Range("I2").Select
ActiveCell.FormulaR1C1 = "=IF(ISERROR(VLOOKUP(RC[-7],'[Prazos de
entrega_matriz.xls]GE'!R2C1:R93C3,3,FALSE)),"",VLOOKUP(VLOOKUP(RC[-7],'[Prazos
de entrega_matriz.xls]GE'!R2C1:R93C3,3,FALSE),'[Tabela Prazos de Entrega -
Anchieta.xls]Prazo de entrega'!R13C1:R16C4,4,FALSE)*24)"
Range("I2").Select
Selection.Copy
Range("L2").Select
Range(Selection, Selection.End(xlDown)).Select
Selection.PasteSpecial Paste:=xlPasteFormulas, Operation:=xlNone, _
SkipBlanks:=False, Transpose:=False
Application.CutCopyMode = False
Selection.Copy
Selection.PasteSpecial Paste:=xlPasteValues, Operation:=xlNone,
SkipBlanks _
:=False, Transpose:=False