Server Error in '/' Application.

Index entry is invalid. Reason given was [Duplicate Entry Found:Afdrukken_in_series]

Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.

Exception Details: Esselte.Content.IndexInstance+InvalidIndexEntryException: Index entry is invalid. Reason given was [Duplicate Entry Found:Afdrukken_in_series]

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace: 


[InvalidIndexEntryException: Index entry is invalid. Reason given was [Duplicate Entry Found:Afdrukken_in_series]]
   Esselte.Content.IndexInstance.get_Item(String key) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\IndexInstance.cs:162
   Esselte.Content.VariableKeyDocument.CreateInstance(String key) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\Document.cs:96
   Esselte.Content.Document.GetInstance(String param) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\Document.cs:64
   Esselte.Content.TransDoc.CreateNavigator(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\TransDoc.cs:292
   Esselte.Content.TransDoc.CreateInstance(String param, String sectionName, ResourceDictionaryInstance resources, XslTransform transform, XmlResolver xmlResolver) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\TransDoc.cs:248
   Esselte.Content.TransDoc.CreateInstance(String param, String sectionName, XmlResolver xmlResolver) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\TransDoc.cs:242
   Esselte.Content.TransDoc.GetInstance(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\TransDoc.cs:152
   Esselte.Content.ContentPageFragment.CreateInstance(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\PageFragment.cs:165
   Esselte.Content.PageFragment.GetInstance(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\PageFragment.cs:57
   Esselte.Content.FragmentHolder.GetInstance(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\Page.cs:211
   Esselte.Content.Page.ResolvePageFragments(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\Page.cs:165
   Esselte.Content.Page.GetInstance(String param, String sectionName) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\Page.cs:98
   Esselte.Content.ContentManager.loadPageInstance(PathParser parser) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Content\ContentManager.cs:454
   Esselte.Controller.FrontController.ProcessRequest(HttpContext context) in f:\CruiseControl\SourceTree\DYMO.PROD\src\DYMO.Web.UI\Controller\FrontController.cs:118
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication+IExecutionStep.Execute() +179
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +87

Version Information: Microsoft .NET Framework Version:1.1.4322.2407; ASP.NET Version:1.1.4322.2407