diff --git a/CompoMatch.vb b/CompoMatch.vb
index 7e02695..c01aa97 100644
--- a/CompoMatch.vb
+++ b/CompoMatch.vb
@@ -60,7 +60,9 @@ Module CompoMatch
             For IndexItemList = 0 To CombPar.ItemList.Count - 1
                ' dal parametro scritto nella grafica ricavo il valore del ddf
                If CombPar.ItemList(IndexItemList) = CombPar.SelItem Then
-                  EgtLuaSetGlobStringVar("STU.Side", CombPar.ItemListDDF(IndexItemList))
+                  If IndexItemList <= (CombPar.ItemListDDF.Count - 1) Then
+                     EgtLuaSetGlobStringVar("STU.Side", CombPar.ItemListDDF(IndexItemList))
+                  End If
                   Exit For
                End If
             Next
diff --git a/DdfFile.vb b/DdfFile.vb
index f6bad5a..1e19cb5 100644
--- a/DdfFile.vb
+++ b/DdfFile.vb
@@ -32,7 +32,8 @@ Friend Module DdfFile
 
    Friend Sub WriteDDFPart(Part As Part, sPath As String, bIsDDF As Boolean, bIsForAssembly As Boolean)
 
-      If Not OptionModule.m_ConfigurationSoftware = ConfigType.Assembly Then
+      'if Not OptionModule.m_ConfigurationSoftware = ConfigType.Assembly AndAlso
+      If Map.refMainWindowVM.SelectedPage = MainWindowVM.ListPageEnum.nDDFPage Then
          ReportList.Clear()
 
          'ReportDoor.Order.Clear()
diff --git a/DoorParameters/Compo.vb b/DoorParameters/Compo.vb
index 57ca652..2ea487b 100644
--- a/DoorParameters/Compo.vb
+++ b/DoorParameters/Compo.vb
@@ -2623,7 +2623,8 @@ Public Class ComboBoxParam
             CurrCompo.SetTemplateSelItem(CurrCompo.TemplateSelItem)
             If TypeOf CmpPar Is ComboBoxParam Then
                Dim IndexItemDDF As Integer = DirectCast(CmpPar, ComboBoxParam).ItemList.IndexOf(m_SelItem)
-               If IndexItemDDF > -1 Then
+               If IndexItemDDF > -1 AndAlso
+                  IndexItemDDF <= DirectCast(CmpPar, ComboBoxParam).ItemListDDF(IndexItemDDF).Count - 1 Then
                   sSide = DirectCast(CmpPar, ComboBoxParam).ItemListDDF(IndexItemDDF)
                End If
             End If