Server Error in '/' Application.

Query execution found more than one 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: Query execution found more than one 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: Query execution found more than one element.]
   Telerik.OpenAccess.Query.ExpressionExecution.PerformQuerySingle(ExpressionCutter cutter, MethodCallExpression mce, ChainedContext piece, QueryOptions options) +140009254
   Telerik.OpenAccess.Query.Piece`1.ExecuteSingle(Expression expression) +328

[TargetInvocationException: Exception has been thrown by the target of an invocation.]
   System.RuntimeMethodHandle.InvokeMethod(Object target, Object[] arguments, Signature sig, Boolean constructor) +0
   System.Reflection.RuntimeMethodInfo.UnsafeInvokeInternal(Object obj, Object[] parameters, Object[] arguments) +221
   System.Reflection.RuntimeMethodInfo.Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) +231
   Telerik.OpenAccess.Query.Piece`1.System.Linq.IQueryProvider.Execute(Expression expr) +511
   Telerik.Sitefinity.Data.Linq.OpenAccess.OpenAccessQueryProvider`2.Execute(Expression expression) +197
   Telerik.Sitefinity.Data.Linq.OpenAccess.OpenAccessQueryProvider`2.System.Linq.IQueryProvider.Execute(Expression expression) +21
   SitefinityWebApp.Custom.Widgets.RelatedNewsTemplate.OnPreRender(EventArgs e) +1060
   System.Web.UI.Control.PreRenderRecursiveInternal() +200
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Control.PreRenderRecursiveInternal() +297
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +7479


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