diff --git a/Project/.gitignore b/Project/.gitignore
new file mode 100644
index 0000000..608a9b8
--- /dev/null
+++ b/Project/.gitignore
@@ -0,0 +1,2 @@
+*.xlsm
+*.xls
diff --git a/Project/VBAToolKit_DEV.xlsm b/Project/VBAToolKit_DEV.xlsm
deleted file mode 100644
index 990643e..0000000
Binary files a/Project/VBAToolKit_DEV.xlsm and /dev/null differ
diff --git a/Source/ConfProd/vtkConfigurationManagerExcel.cls b/Source/ConfProd/vtkConfigurationManagerExcel.cls
index dd83458..bb5a60f 100644
--- a/Source/ConfProd/vtkConfigurationManagerExcel.cls
+++ b/Source/ConfProd/vtkConfigurationManagerExcel.cls
@@ -928,14 +928,14 @@ Public Sub duplicate(Wb As Workbook, cm As vtkConfigurationManager)
     ' init projectName and rootPath from cm
     m_projectName = cm.projectName
     m_rootPath = cm.rootPath
-    ' call initReferences with the references from cm
-    Me.initReferences cm.references
     ' create all configuration from cm
     For i = 1 To cm.configurationCount
         Me.addConfiguration configuration:=cm.configuration(i), path:=cm.getConfigurationPathWithNumber(i), _
             template:=cm.getConfigurationTemplateWithNumber(i), projectName:=cm.getConfigurationProjectNameWithNumber(i), _
             comment:=cm.getConfigurationCommentWithNumber(i)
     Next i
+    ' call initReferences with the references from cm
+    Me.initReferences cm.references
     ' create all modules from cm
     For i = 1 To cm.moduleCount
         Me.addModule module:=cm.module(i)
@@ -948,10 +948,10 @@ Public Sub duplicate(Wb As Workbook, cm As vtkConfigurationManager)
     Next i
     ' init reference usage for each configuration
     For i = 1 To cm.configurationCount
-        Set refs = cm.references
+        Set refs = cm.getConfigurationReferencesWithNumber(i)
         For j = 1 To refs.Count
             Set ref = refs(j)
-            refn = CInt(Right(ref.id, Length(ref.id) - 1))
+            refn = CInt(Right(ref.id, Len(ref.id) - 1))
             referenceManager.setReferenceWihNumber True, refn, i
         Next j
     Next i
diff --git a/Source/ConfProd/vtkGitFunctions.bas b/Source/ConfProd/vtkGitFunctions.bas
index 3fd972c..f86a01e 100644
--- a/Source/ConfProd/vtkGitFunctions.bas
+++ b/Source/ConfProd/vtkGitFunctions.bas
@@ -121,6 +121,9 @@ Public Function vtkInitializeGit(folderPath As String, Optional logFile As Strin
     contentStream.WriteLine
     contentStream.WriteLine "# Ignore the delivery Excel files"
     contentStream.WriteLine "/Delivery/*.xl*"
+    contentStream.WriteLine
+    contentStream.WriteLine "# Ignore the Project Excel files"
+    contentStream.WriteLine "/Project/*.xl*"
     contentStream.Close
     
     ' Adds all the files in the folder tree to the git repository
diff --git a/Source/ConfProd/vtkProjectCreationUtilities.bas b/Source/ConfProd/vtkProjectCreationUtilities.bas
index f8e81d9..1026224 100644
--- a/Source/ConfProd/vtkProjectCreationUtilities.bas
+++ b/Source/ConfProd/vtkProjectCreationUtilities.bas
@@ -113,6 +113,7 @@ Public Sub vtkAddBeforeSaveHandlerInDEVWorkbook(Wb As Workbook, projectName As S
     Dim handlerString As String
     handlerString = _
     "Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)" & vbNewLine & _
+    "   On error goto M_Error" & vbNewLine & _
     "   " & wbVTKName & ".vtkExportConfiguration projectWithModules:=ThisWorkbook.VBProject, projectName:=" & """" & projectName & """" & _
                                                                     " , confName:=" & """" & confName & """" & _
                                                                     " , onlyModified:=True" & _
@@ -120,6 +121,7 @@ Public Sub vtkAddBeforeSaveHandlerInDEVWorkbook(Wb As Workbook, projectName As S
                                                                     vbNewLine & _
     "   " & wbVTKName & ".vtkExportConfigurationsAsXML projectName:=""" & projectName & """, filePath:=" & _
     wbVTKName & ".vtkPathOfCurrentProject(ThisWorkbook) & ""\"" & " & wbVTKName & ".vtkProjectForName(""" & projectName & """).XMLConfigurationStandardRelativePath" & vbNewLine & _
+    "M_Error:" & vbNewLine & _
     "End Sub" & vbNewLine
     
     With Wb.VBProject.VBComponents("ThisWorkbook").CodeModule
diff --git a/Source/ConfTest/ThisWorkbook.cls b/Source/ConfTest/ThisWorkbook.cls
index 88799b2..ee7b48a 100644
--- a/Source/ConfTest/ThisWorkbook.cls
+++ b/Source/ConfTest/ThisWorkbook.cls
@@ -44,12 +44,16 @@ Private Sub Workbook_AddinUninstall()
 End Sub
 
 Private Sub Workbook_BeforeSave(ByVal SaveAsUI As Boolean, Cancel As Boolean)
+    ' If error Exit silently
+    On Error GoTo M_Error
+
     ' Export and normalize modules
     VBAToolKit.vtkExportConfiguration ThisWorkbook.VBProject, "VBAToolKit", "VBAToolKit_DEV", onlyModified:=True
     
     ' Export as XML
     VBAToolKit.vtkExportConfigurationsAsXML projectName:="VBAToolKit", filePath:=VBAToolKit.vtkPathOfCurrentProject(ThisWorkbook) & "\" & VBAToolKit.vtkProjectForName("VBAToolKit").XMLConfigurationStandardRelativePath
 
+M_Error:
 End Sub