Hi,

  I am new to Umbraco.I installed 6.1.1 version on my machine, I am able to create a examle document type, template and content. When I try to save or save and publish getting a null reference exception as follows. Could anybody please suggest me how to over come this.

Server Error in '/' Application.

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Object reference not set to an instance of an object.

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: System.NullReferenceException: Object reference not set to an instance of an object.

Source Error:

Stack Trace:

[NullReferenceException: Object reference not set to an instance of an object.]
   umbraco.cms.presentation.editContent.UpdateNiceUrls() +296
   umbraco.cms.presentation.editContent.OnPreRender(EventArgs e) +45
   System.Web.UI.Control.PreRenderRecursiveInternal() +103
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2496

Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1008