Hi everyone,
I recently upgrade my website from 4.9.0 to 5.6.3 (through 4.9.5 and 5.3.1).
Everything went well.
But when I try to access the website, I get a System.NullReferenceException.
I reinstalled it a lot of time, differently. And I always get this error.
I don't know how to fix this error.
Here is what I get, it's in Admin\Skins\Nav.ascx.vb line 177
Server Error in '/' Application.
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:
Line 175:
Line 176: Protected Overrides Sub OnInit(ByVal e As System.EventArgs)
Line 177: InitializeNavControl(Me, "SolpartMenuNavigationProvider")
Line 178: AddHandler Control.NodeClick, AddressOf Control_NodeClick
Line 179: AddHandler Control.PopulateOnDemand, AddressOf Control_PopulateOnDemand
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Stack Trace:
[NullReferenceException: Object reference not set to an instance of an object.]
DotNetNuke.Framework.Reflection.CreateObject(String ObjectProviderType,
String ObjectProviderName, String ObjectNamespace, String ObjectAssemblyName, Boolean UseCache) +557
DotNetNuke.Modules.NavigationProvider.NavigationProvider.Instance(String FriendlyName) +27
DotNetNuke.UI.Skins.NavObjectBase.InitializeNavControl(Control objParent, String strDefaultProvider) +43
DotNetNuke.UI.Skins.Controls.Nav.OnInit(EventArgs e) in \Admin\Skins\Nav.ascx.vb:177
System.Web.UI.Control.InitRecursive(Control namingContainer) +333
System.Web.UI.Control.InitRecursive(Control namingContainer) +210
System.Web.UI.Control.AddedControl(Control control, Int32 index) +198
System.Web.UI.ControlCollection.Add(Control child) +80
DotNetNuke.Framework.DefaultPage.Page_Init(Object sender, EventArgs e) in \Default.aspx.vb:589
System.Web.UI.Control.OnInit(EventArgs e) +99
System.Web.UI.Page.OnInit(EventArgs e) +12
DotNetNuke.Framework.PageBase.OnInit(EventArgs e) +224
System.Web.UI.Control.InitRecursive(Control namingContainer) +333
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +378
[PageLoadException: Object reference not set to an instance of an object.]
DotNetNuke.Services.Exceptions.Exceptions.ProcessPageLoadException(Exception exc, String URL) +271
DotNetNuke.Framework.PageBase. (EventArgs e) +396 System.Web.UI.Page.HandleError(Exception e) +84
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +6776
System.Web.UI.Page.ProcessRequest(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +242
System.Web.UI.Page.ProcessRequest() +80 System.Web.UI.Page.ProcessRequestWithNoAssert(HttpContext context) +21
System.Web.UI.Page.ProcessRequest(HttpContext context) +49
ASP.default_aspx.ProcessRequest(HttpContext context) +37
System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +181
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +75
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I'm sure that I've made a mistake, but I don't know where... Any Idea ?
For information :
windows 2003
IIS 6
SQLExpress 2008
for this website : Microsoft .NET Framework Version:2.0.50727.3623; ASP.NET Version:2.0.50727.3618
If you need more information, please just ask.
Jaffar