[InvalidOperationException: La secuencia no contiene elementos]
System.Linq.Enumerable.First(IEnumerable`1 source) +446
System.Data.Objects.ELinq.ObjectQueryProvider.<GetElementFunction>b__0(IEnumerable`1 sequence) +59
System.Data.Objects.ELinq.ObjectQueryProvider.ExecuteSingle(IEnumerable`1 query, Expression queryRoot) +71
System.Data.Objects.ELinq.ObjectQueryProvider.System.Linq.IQueryProvider.Execute(Expression expression) +154
System.Linq.Queryable.First(IQueryable`1 source) +352
GestionDataLayer.GesEntities.GetServicioCiudadPorURL(String url) +322
ASP.global_asax.Application_BeginRequest(Object sender, EventArgs e) in c:\Users\Guzmán\AppData\Local\Temp\WebSitePublish\CMS--1238669027\obj\Debug\AspnetCompileMerge\Source\Global.asax:135
System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +80
System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +171
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