Ups! Algo ha ocurrido.

Error

System.ArgumentNullException: Value cannot be null. Parameter name: source at System.Linq.Enumerable.TryGetFirst[TSource](IEnumerable`1 source, Boolean& found) at Services.Services.Cuestionarios.EncuestaRealizadaServicio.ObtenerCuestionarioReporteFilas(Int32 idCuestionario) in C:\Users\capturador6\Desktop\observatorio-nuevo-leon\Servicies\Services\Cuestionarios\EncuestaRealizadaServicio.cs:line 1899 at BaseWeb.Controllers.Front.COVIMController.Index() in C:\Users\capturador6\Desktop\observatorio-nuevo-leon\BaseWeb\Controllers\Front\COVIMController.cs:line 73 at Microsoft.AspNetCore.Mvc.Internal.ActionMethodExecutor.TaskOfIActionResultExecutor.Execute(IActionResultTypeMapper mapper, ObjectMethodExecutor executor, Object controller, Object[] arguments) at System.Threading.Tasks.ValueTask`1.get_Result() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeActionMethodAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeNextActionFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Rethrow(ActionExecutedContext context) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.Next(State& next, Scope& scope, Object& state, Boolean& isCompleted) at Microsoft.AspNetCore.Mvc.Internal.ControllerActionInvoker.InvokeInnerFilterAsync() at Microsoft.AspNetCore.Mvc.Internal.ResourceInvoker.InvokeNextExceptionFilterAsync()