XL 2019 compte à rebours entrées "piscine"... ?

Sub Worksheet_BeforeDoubleClick(ByVal Target As Range, Cancel As Boolean)
On Error GoTo Fin
If Target.Column <> 7 Then Exit Sub             ' car non colonne G
L = Target.Row
Set Plage = Range(Cells(L, "G"), Cells(1000, "G"))
If Application.Sum(Plage) <> 0 Then Cells(L, "F").Select: Exit Sub   ' cas où on clique avant la premiere cellule remplie
For i = L To 2 Step -1
    If Cells(i, "G") <> "" Then
        If Cells(i, "G") = 1 Then               ' Si 1 avant alors on revient à 9
            Target = 9
        Else                                    ' Sinon on fait -1
            Target = Cells(i, "G") - 1
        End If...