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 87:         bf.SEARCH_SCOPE = "Keywords";
Line 88: 
Line 89:         amazonLeftLinkBlock AmazonLeftLinkBlock = new amazonLeftLinkBlock(bf);
Line 90:         htmlAmazonLeftLinkBlock = AmazonLeftLinkBlock.HTML;
Line 91:     }

Source File: d:\inetpub\vhosts\theamericanrevolution.org\theuscivilwar.org\DocumentDetail.aspx.cs    Line: 89

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   TheAmericanRevolutionView.CW.htmlGeneric.amazonLeftLinkBlock..ctor(BookFilter bf) +872
   DocumentDetail.BuildLeftLinks() in d:\inetpub\vhosts\theamericanrevolution.org\theuscivilwar.org\DocumentDetail.aspx.cs:89
   DocumentDetail.Page_Load(Object sender, EventArgs e) in d:\inetpub\vhosts\theamericanrevolution.org\theuscivilwar.org\DocumentDetail.aspx.cs:36
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +52
   System.Web.UI.Control.OnLoad(EventArgs e) +97
   System.Web.UI.Control.LoadRecursive() +61
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +693


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4700.0