An Error was raised

errorid = c4ee5e4a-d441-4ce5-9cf4-71e5b3475f29

Page Error - Render : Object reference not set to an instance of an object.

at InformIT.Web.Products.PartnerAuthors.getAuthors(Char last_name_initial) in c:\builds\pearsontechnology\gpt\stor\PortalEngine\InformIT.NET\InformIT.Web\Products\PartnerAuthors.cs:line 49
at InformIT.Web.Products.AuthorBucket.ToXML() in c:\builds\pearsontechnology\gpt\stor\PortalEngine\InformIT.NET\InformIT.Web\Products\AuthorBucket.cs:line 84
at InformIT.Web.Page.GetPageDocument() in c:\builds\pearsontechnology\gpt\stor\PortalEngine\InformIT.NET\InformIT.Web\Page.cs:line 1473
at InformIT.Web.Page.Render(HtmlTextWriter output) in c:\builds\pearsontechnology\gpt\stor\PortalEngine\InformIT.NET\InformIT.Web\Page.cs:line 564