diff --git a/AssemblyInfo.cs b/AssemblyInfo.cs
index 3bd885d..4d1d7b2 100644
--- a/AssemblyInfo.cs
+++ b/AssemblyInfo.cs
@@ -8,6 +8,6 @@
 // </auto-generated>
 //------------------------------------------------------------------------------
 
-[assembly: System.Reflection.AssemblyVersion("04.01.02.00")]
+[assembly: System.Reflection.AssemblyVersion("04.01.03.00")]
 
 
diff --git a/DotNetNuke.Modules.Repository.csproj b/DotNetNuke.Modules.Repository.csproj
index f5687e0..fab7d1e 100644
--- a/DotNetNuke.Modules.Repository.csproj
+++ b/DotNetNuke.Modules.Repository.csproj
@@ -85,7 +85,7 @@
     <WarningLevel>2</WarningLevel>
     <NoWarn>
     </NoWarn>
-    <DebugType>none</DebugType>
+    <DebugType>pdbonly</DebugType>
     <CodeAnalysisRuleSet>AllRules.ruleset</CodeAnalysisRuleSet>
     <Prefer32Bit>false</Prefer32Bit>
   </PropertyGroup>
diff --git a/DotNetNuke_DotNetNuke.Repository.dnn b/DotNetNuke_DotNetNuke.Repository.dnn
index dd5ede2..1fcd3c9 100644
--- a/DotNetNuke_DotNetNuke.Repository.dnn
+++ b/DotNetNuke_DotNetNuke.Repository.dnn
@@ -1,6 +1,6 @@
 <dotnetnuke type="Package" version="5.0">
   <packages>
-	  <package name="DotNetNuke.Repository" type="Module" version="04.01.02">
+	  <package name="DotNetNuke.Repository" type="Module" version="04.01.03">
   <friendlyName>Repository</friendlyName>
   <description>A file/object repository module that includes skinning and community features like comments and user ratings.</description>
       <iconFile>icon_repository_32px.gif</iconFile>      
diff --git a/Settings.ascx.cs b/Settings.ascx.cs
index 9a327f6..fce94fe 100644
--- a/Settings.ascx.cs
+++ b/Settings.ascx.cs
@@ -1417,8 +1417,16 @@ private void lbAddAttribute_Click(object sender, System.EventArgs e)
             {
                 RepositoryAttributesController attributes = new RepositoryAttributesController();
                 RepositoryAttributesInfo attribute = null;
-                int _key = int.Parse(ViewState["_key"].ToString());
-                int _index = int.Parse(ViewState["_index"].ToString());
+                int _key = Null.NullInteger;
+                if (ViewState["_key"] != null)
+                {
+                    _key = int.TryParse(ViewState["_key"].ToString(), out _key) ? _key : Null.NullInteger;
+                }
+                int _index = Null.NullInteger;
+                if (ViewState["_index"] != null)
+                {
+                    _index = int.TryParse(ViewState["_index"].ToString(), out _index) ? _index : Null.NullInteger;
+                }
 
                 if (lbAddAttribute.Text == Localization.GetString("SaveButton", LocalResourceFile))
                 {