Private Sub Worksheet_Change(ByVal Target As Range)
If Intersect([C6:M175], Target) Is Nothing Then Exit Sub
If Application.CountIf(Intersect([6:175], Target.EntireColumn), "CA") > 9 Then
MsgBox "Le nombre maximal de CA est déjà atteint !", vbCritical, "Saisie CA"
Application.EnableEvents = False
Target.ClearContents
Application.EnableEvents = True: End If
End Sub