No funciona Consulta Dinámica de Empleados Activos

Al tratar de cargar la Consulta Dinámica de Empleados Activos aparece el loading brevemente y luego se queda en blanco la pantalla

No hay un mensajes de alertas o errores, pero al revisar las seccion de network del F12 encontre este detalle (Version 1.9.0)

[InvalidOperationException: The type String cannot be constructed. You must configure the container to supply this value.]
   Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.GuardTypeIsNonPrimitive(IBuilderContext context, SelectedConstructor selectedConstructor) +274
   Microsoft.Practices.ObjectBuilder2.DynamicMethodConstructorStrategy.PreBuildUp(IBuilderContext context) +485
   Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) +434
   Microsoft.Practices.ObjectBuilder2.DynamicMethodBuildPlanCreatorPolicy.CreatePlan(IBuilderContext context, NamedTypeBuildKey buildKey) +400
   Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) +222
   Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) +434
   Microsoft.Practices.ObjectBuilder2.BuilderContext.NewBuildUp(NamedTypeBuildKey newBuildKey) +318
   BuildUp_Aseinfo.VH4.OData.EmpleadosLivePivotCollection(IBuilderContext ) +220
   Microsoft.Practices.ObjectBuilder2.BuildPlanStrategy.PreBuildUp(IBuilderContext context) +304
   Microsoft.Practices.ObjectBuilder2.StrategyChain.ExecuteBuildUp(IBuilderContext context) +434
   Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable`1 resolverOverrides) +440

[ResolutionFailedException: Resolution of the dependency failed, type = "Aseinfo.VH4.OData.EmpleadosLivePivotCollection", name = "(none)".
Exception occurred while: while resolving.
Exception is: InvalidOperationException - The type String cannot be constructed. You must configure the container to supply this value.
-----------------------------------------------
At the time of the exception, the container was:

  Resolving Aseinfo.VH4.OData.EmpleadosLivePivotCollection,(none)
  Resolving parameter "connectionString" of constructor Aseinfo.VH4.OData.EmpleadosLivePivotCollection(System.String connectionString, System.String viewImageUrl)
    Resolving System.String,(none)
]
   Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, Object existing, String name, IEnumerable`1 resolverOverrides) +546
   Microsoft.Practices.Unity.UnityContainer.DoBuildUp(Type t, String name, IEnumerable`1 resolverOverrides) +20
   Aseinfo.Infrastructure.Services.LivePivot.Internal.FactoryClassFinder.Find(String folderPath) in c:\BuildAgent\work\89066541112bb801\Infrastructure\Services\LivePivot\Internal\FactoryClassFinder.cs:40
   Aseinfo.Infrastructure.Services.LivePivot.Internal.CollectionFactories.AddFromFolder(String folderPath) in c:\BuildAgent\work\89066541112bb801\Infrastructure\Services\LivePivot\Internal\CollectionFactories.cs:44
   Aseinfo.Infrastructure.Services.LivePivot.LivePivotHttpHandlersImplementation.ServeCxml(HttpContext context) in c:\BuildAgent\work\89066541112bb801\Infrastructure\Services\LivePivot\LivePivotHttpHandlersImplementation.cs:118
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +913
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +165