VBA - Help me to solve this one, makro who can select between 3 sheets

[Headspinn]

Can anyone see why a get a " time error 9 " when a try to activate the last sheet whit selection "1" ?

 Sub TEST()'
' TEST Makro

  If Range("N20") = "3" Then
  Sheets("Sammenligning pf og pg").Select
  ElseIf Range("N20") = "2" Then
  Sheets("Sammenligning s og pg").Select
  ElseIf Range("N20") = "1" Then
   Sheets("Sammenligning s og pf").Select


  End If

End Sub