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 19:     protected CMS.DocumentEngine.TreeNode GetParentNode()
Line 20:     {
Line 21:         string parentPath = TreePathUtils.GetParentPath(DocumentContext.CurrentAliasPath, (DocumentContext.CurrentDocument.NodeLevel - 1));
Line 22:         //CMS.DocumentEngine.TreeNode parentNode = TreeHelper.SelectSingleNode(parentPath);
Line 23:         CMS.DocumentEngine.TreeNode parentNode = new DocumentQuery().Path(parentPath).FirstOrDefault();

Source File: C:\inetpub\sites\lesterbuildings.com\CMS\CMSTemplates\LesterBuildings\UserControls\Header\Navigation.ascx.cs    Line: 21

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   CMSTemplates_LesterBuildings_UserControls_Header_Navigation.GetParentNode() in C:\inetpub\sites\lesterbuildings.com\CMS\CMSTemplates\LesterBuildings\UserControls\Header\Navigation.ascx.cs:21
   CMSTemplates_LesterBuildings_UserControls_Header_Navigation.Page_Load(Object sender, EventArgs e) in C:\inetpub\sites\lesterbuildings.com\CMS\CMSTemplates\LesterBuildings\UserControls\Header\Navigation.ascx.cs:11
   System.Web.UI.Control.OnLoad(EventArgs e) +105
   System.Web.UI.Control.LoadRecursive() +67
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Control.LoadRecursive() +161
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3784


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4087.0