Server Error in '/' Application.

Sequence contains 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: Sequence contains 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: Sequence contains more than one element]
   System.Linq.Enumerable.SingleOrDefault(IEnumerable`1 source) +497
   Danski.ContentFinders.HotelNotFoundContentFinder.TryFindContent(PublishedContentRequest contentRequest) +711
   Umbraco.Web.Routing.PublishedContentRequestEngine.HandlePublishedContent() +566
   Umbraco.Web.Routing.PublishedContentRequestEngine.FindPublishedContentAndTemplate() +316
   Umbraco.Web.Routing.PublishedContentRequestEngine.PrepareRequest() +124
   Umbraco.Web.UmbracoModule.ProcessRequest(HttpContextBase httpContext) +467
   System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +223
   System.Web.HttpApplication.ExecuteStepImpl(IExecutionStep step) +224
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +91


Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.7.4081.0