Server Error in '/' Application.

Sequence contains no matching element

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.InvalidOperationException: Sequence contains no matching element

Source Error:

An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.

Stack Trace:


[InvalidOperationException: Sequence contains no matching element]
   System.Linq.Enumerable.Single(IEnumerable`1 source, Func`2 predicate) +542
   Telerik.Sitefinity.Data.ManagerBase.TryGetMappedManager(Type itemType, String providerName, IManager& manager) +224
   Telerik.Sitefinity.ContentLocations.ContentLocationService.GetItemDefaultLocation(Type itemType, String itemProvider, Guid itemId, Guid[] siteFilter, CultureInfo culture) +47
   Telerik.Sitefinity.ContentLocations.ContentLocationService.GetItemDefaultLocation(Type itemType, String itemProvider, Guid itemId, CultureInfo culture) +26
   CubicleFugitive.Utilities.CFCommon.GetItemDefaultLocationById(Guid itemId, Int32 priority, String itemProvider) in i:\Dropbox (Cubicle Fugitive)\Web Development\_Modules\Core\9.1.6100\Utilities\CFCommon.cs:227
   CubicleFugitive.Utilities.CFCommon.getPersonLink(DynamicContent currentItem, String linkDisplay, String nameOnly) in i:\Dropbox (Cubicle Fugitive)\Web Development\_Modules\Core\9.1.6100\Utilities\CFCommon.cs:176
   CubicleFugitive.Utilities.CFCommon.getAuthors(List`1 relatedTeamMembers, String nameFormat, String singleItemTitle, String multipleItemTitle) in i:\Dropbox (Cubicle Fugitive)\Web Development\_Modules\Core\9.1.6100\Utilities\CFCommon.cs:105
   SitefinityWebApp.Custom.Widgets.Publications.DetailViews.PublicationDetail.detailContainer_DataBound(Object sender, EventArgs e) in C:\Cubicle Fugitive Dropbox\Kalvin MacLeod\Web Development\_Sitefinity13.3 LTS\SOK\Custom\Widgets\Publications\DetailViews\PublicationDetail.ascx.cs:91
   System.EventHandler.Invoke(Object sender, EventArgs e) +0
   System.Web.UI.WebControls.BaseDataBoundControl.OnDataBound(EventArgs e) +126
   System.Web.UI.Control.DataBindChildren() +249
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +191
   System.Web.UI.Control.DataBindChildren() +249
   System.Web.UI.Control.DataBind(Boolean raiseOnDataBinding) +191
   System.Web.UI.Control.DataBindChildren() +249
   Telerik.Sitefinity.DynamicModules.Web.UI.Frontend.DynamicContentView.RebindDetailView() +99
   Telerik.Sitefinity.DynamicModules.Web.UI.Frontend.DynamicContentView.CreateChildControls() +952
   System.Web.UI.Control.EnsureChildControls() +130
   System.Web.UI.Control.InitRecursive(Control namingContainer) +454
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Control.InitRecursive(Control namingContainer) +219
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1719


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