Server Error in '/' Application.

Value cannot be null.
Parameter name: source

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.ArgumentNullException: Value cannot be null.
Parameter name: source

Source Error:


Line 1663:            if (nodeModel.AncestorsOrSelf("homeVoluntariat").Any() || HttpContext.Current.Request.QueryString["portal"] == "voluntariat")
Line 1664:            {
Line 1665:                filteredItems = allItems?.Where(v => v.Value<IEnumerable<string>>("share").Contains("Voluntariat"))?.Take(nodesExtract);
Line 1666:                filteredItemsAlt = allItems?.Where(v => v.AncestorsOrSelf("homeVoluntariat").Any())?.Take(nodesExtract);
Line 1667:                filteredItems = filteredItems?.Union(filteredItemsAlt.Where(v => v.Value<IEnumerable<string>>("share").Contains("Voluntariat") == false)?.Take(nodesExtract));

Source File: C:\Inetpub\vhosts\xarxajove.info\httpdocs\wwwroot\App_Code\Sylvana.Custom\ControllersCustom.cs    Line: 1665

Stack Trace:


[ArgumentNullException: Value cannot be null.
Parameter name: source]
   System.Linq.Enumerable.Contains(IEnumerable`1 source, TSource value, IEqualityComparer`1 comparer) +409
   Sylvana.Controllers.Custom.<>c.<FilteredListItems>b__9_15(IPublishedContent v) in C:\Inetpub\vhosts\xarxajove.info\httpdocs\wwwroot\App_Code\Sylvana.Custom\ControllersCustom.cs:1665
   System.Linq.WhereListIterator`1.MoveNext() +81
   System.Linq.<TakeIterator>d__25`1.MoveNext() +185
   System.Linq.<UnionIterator>d__67`1.MoveNext() +272
   System.Linq.Enumerable.Count(IEnumerable`1 source) +266
   ASP._Page_Views_Partials_Sylvana_Custom_Patterns_ListEntities_cshtml.Execute() in C:\Inetpub\vhosts\xarxajove.info\httpdocs\wwwroot\Views\Partials\Sylvana.Custom\Patterns\ListEntities.cshtml:37
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
   Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) +180
   System.Web.Mvc.Html.PartialExtensions.Partial(HtmlHelper htmlHelper, String partialViewName, Object model, ViewDataDictionary viewData) +136
   ASP._Page_Views_EntitiesPage_cshtml.Execute() in C:\Inetpub\vhosts\xarxajove.info\httpdocs\wwwroot\Views\EntitiesPage.cshtml:10
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +148
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
   Umbraco.Web.Mvc.ProfilingView.Render(ViewContext viewContext, TextWriter writer) +180
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +378
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +91
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) +795
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +81
   System.Web.Mvc.Async.<>c__DisplayClass3_1.<BeginInvokeAction>b__1(IAsyncResult asyncResult) +188
   System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginExecuteCore>b__152_1(IAsyncResult asyncResult, ExecuteCoreState innerState) +29
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +68
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +52
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +39
   System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +38
   System.Web.Mvc.<>c.<BeginProcessRequest>b__20_1(IAsyncResult asyncResult, ProcessRequestState innerState) +43
   System.Web.Mvc.Async.WrappedAsyncVoid`1.CallEndDelegate(IAsyncResult asyncResult) +68
   System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +38
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +651
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +220
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +134


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