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 15: }
Line 16: <header class="article">
Line 17:   <h2 class="title" @ViewHelper.Edit(ViewBag.Article, "Title")>@(ViewBag.Article.Title ?? "")</h2>
Line 18:   <p class="date">Published on: @ViewHelper.DateTimeToString(ViewBag.Article.UtcCreationDate, "f")</p>
Line 19: </header>

Source File: c:\inetpub\wwwroot\vhosts\Kooboo CMS\Cms_Data\Sites\en-GB\Templates\Views\KB.Detail\template.cshtml    Line: 17

Stack Trace:


[NullReferenceException: Object reference not set to an instance of an object.]
   Kooboo.CMS.Content.Models.ContentExtensions.GetSchema(TextContent textContent) +30
   Kooboo.CMS.Sites.View.ViewHelper.QueryFieldDataType(TextContent data, String fieldName) +105
   Kooboo.CMS.Sites.View.ViewHelper.EditFieldAttributes(TextContent data, String fieldName, FieldDataType dataType) +31
   Kooboo.CMS.Sites.View.ViewHelper.Edit(TextContent data, String fieldName) +11
   ASP._Page_Cms_Data_Sites_en_GB_Templates_Views_KB_Detail_template_cshtml.Execute() in c:\inetpub\wwwroot\vhosts\Kooboo CMS\Cms_Data\Sites\en-GB\Templates\Views\KB.Detail\template.cshtml:17
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +254
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +157
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   Kooboo.CMS.Sites.View.PositionRender.ViewRender.RenderViewInternal(HtmlHelper htmlHelper, String viewPath, ViewDataDictionary viewData, Object model) +342
   Kooboo.CMS.Sites.View.PositionRender.ViewRender.RenderView(HtmlHelper htmlHelper, Page_Context pageContext, String viewName, ViewDataDictionary viewData, Object parameters, Boolean executeDataRule) +723
   Kooboo.CMS.Sites.View.FrontHtmlHelper.RenderView(String viewName, ViewDataDictionary viewData, Object parameters, Boolean executeDataRule) +60
   Kooboo.CMS.Sites.View.<>c__DisplayClass13.<RenderView>b__11() +88
   Kooboo.CMS.Sites.View.FrontHtmlHelper.RenderView(ViewPosition viewPosition) +579
   Kooboo.CMS.Sites.View.<RenderPositionContents>d__b.MoveNext() +458
   System.Linq.Buffer`1..ctor(IEnumerable`1 source) +158
   System.Linq.Enumerable.ToArray(IEnumerable`1 source) +93
   Kooboo.CMS.Sites.View.FrontHtmlHelper.Position(String positionID, Func`1 defaultContentFunc) +314
   ASP._Page_Cms_Data_Sites_en_GB_Templates_Layouts_one_column_template_cshtml.Execute() in c:\inetpub\wwwroot\vhosts\Kooboo CMS\Cms_Data\Sites\en-GB\Templates\Layouts\one_column\template.cshtml:35
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +255
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +158
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +123
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +371
   Kooboo.CMS.Sites.Controllers.PageControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +85
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +31
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +434
   System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName) +632
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__19() +39
   System.Web.Mvc.Async.<>c__DisplayClass1.<MakeVoidDelegate>b__0() +25
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +67
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +53
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +41
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +25
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +53
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +431
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +75
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +158


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.8.4690.0