Server Error in '/' Application.

Hi,

Below error is coming in all sub pages. Home page is working fine.

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:

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:

[NullReferenceException: Object reference not set to an instance of an object.]
SitefinityWebApp.Custom.LeftMenu.LeftMenu.GetFirstNode(SiteMapNode currentNode) +56
SitefinityWebApp.Custom.LeftMenu.LeftMenu.GetFirstNode(PageSiteNode currentNode) +243
SitefinityWebApp.Custom.LeftMenu.LeftMenu.BindMenu() +350
SitefinityWebApp.Custom.LeftMenu.LeftMenu.Page_Load(Object sender, EventArgs e) +136
System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
System.Web.UI.Control.OnLoad(EventArgs e) +91
System.Web.UI.Control.LoadRecursive() +74
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Control.LoadRecursive() +146
System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +2207

Hello,

It seems that you have added a custom control on the pages or inside a page template that you are using for the problematic pages. The name of the control is LeftMenu: