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HomeHomeGetting StartedGetting StartedInstalling DNN ...Installing DNN ... Object reference not set to an instance of an object. Object reference not set to an instance of an object.
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8/21/2008 12:09 AM
 
Steve Karpik


Joined: 12/29/2007
Posts: 32

I just tried to upgrade a DNN web site from version 4.08.03 to 4.08.04.  Everything appeared to go perfectly OK, however, when I try to visit the home page I get the error message below.  I've been racking my brains out trying to figure out what went wrong.  Any suggestions hugely appreciated.

Steve Karpik
Senior Scientist, Technology & Computers
Ontario Science Centre

An error has occurred.
DotNetNuke.Services.Exceptions.PageLoadException: Object reference not set to an instance of an object. ---> System.NullReferenceException: Object reference not set to an instance of an object. at DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType, String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName, Boolean UseCache) at DotNetNuke.Modules.NavigationProvider.NavigationProvider.Instance(String FriendlyName) at DotNetNuke.UI.Skins.NavObjectBase.InitializeNavControl(Control objParent, String strDefaultProvider) at DotNetNuke.UI.Skins.Controls.Nav.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Control.AddedControl(Control control, Int32 index) at System.Web.UI.ControlCollection.Add(Control child) at DotNetNuke.Framework.DefaultPage.Page_Init(Object sender, EventArgs e) at System.Web.UI.Control.OnInit(EventArgs e) at System.Web.UI.Page.OnInit(EventArgs e) at DotNetNuke.Framework.PageBase.OnInit(EventArgs e) at System.Web.UI.Control.InitRecursive(Control namingContainer) at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) --- End of inner exception stack trace ---

 
 
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8/21/2008 12:17 AM
 
Chris Hammond


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www.christoc.com
Joined: 1/14/2003
Posts: 7319

How did you perform the upgrade? Extracted the Upgrade package over the existing site files?

Have you checked the permissions on the directory again (might have to force them to reset)

 

Chris Hammond
Former DNN Corp Employee, MVP, Core Team Member, Trustee
Christoc.com Software Solutions DotNetNuke Module Development, Upgrades and consulting.
dnnCHAT.com a chat room for DotNetNuke discussions
 
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