System.InvalidOperationException: Sequence contains no elements at System.Linq.Enumerable.First[TSource](IEnumerable`1 source) at DPTK.Boot.Web.BootControls.bVideoDetalle.GenerarVideo(ResultadoCarreraCorredor oResCarrCorr) in G:\DesaGit\DPTK\DPTK.Boot.Web\DPTK.Boot.Web\BootControls\bVideoDetalle.ascx.cs:line 292 at DPTK.Boot.Web.BootControls.bVideoDetalle.Page_Load(Object sender, EventArgs e) in G:\DesaGit\DPTK\DPTK.Boot.Web\DPTK.Boot.Web\BootControls\bVideoDetalle.ascx.cs:line 150