load default config when config exists but is empty

Config/ConfigManager.vb

@@ -160,6 +160,10 @@ Public Class ConfigManager(Of T)
                 oConfig = _Serializer.Deserialize(oReader)
             End Using
 
+            If oConfig Is Nothing Then
+                oConfig = Activator.CreateInstance(_Blueprint.GetType)
+            End If
+
             Return oConfig
         Catch ex As Exception
             _Logger.Error(ex)