Flujos de Autorización (Denegación)

Evolution 1.11.2.4

Se genera el siguiente error al denegar una autorización, no sucede en todos los casos se presenta tambien en ocasiones cuando se anula entidad.

Aseinfo.Infrastructure.Base.Exceptions.AuthorizationWorkflowException: Sucedio un error en el flujo. Se está logueando el exception interno y luego se logueará el que terminará la instancia. (CodigoInstancia: fd218bca-efeb-45db-8365-15f8b5d42b01) ---> System.NullReferenceException: Object reference not set to an instance of an object.
   at Aseinfo.Infrastructure.Base.Entity.EntityServiceBase`2.DeniegaEntidad(String codigoInstancia) in C:\vh4\Infrastructure\Base\Entity\EntityServiceBase.cs:line 688
   at Aseinfo.VH4.WorkflowServices.Services.AuthorizationWorkflowService.FinalizaInstanciaRutaAutorizacion(Guid codigoInstancia, EstadoActividadInstancia estadoFinalizacion, Nullable`1 codigoExpedienteUsuario, String username, String entityServiceTypeName, String comentarioUsuario) in C:\vh4\VH4\WorkflowServices\WorkflowServices\Services\AuthorizationWorkflowService.cs:line 190
   at Aseinfo.VH4.WorkflowServices.Services.AuthorizationWorkflowStaticService.FinalizaInstanciaRutaAutorizacion(Guid codigoInstancia, EstadoActividadInstancia estadoFinalizacion, Int32 codigoExpedienteUsuario, String username, String entityServiceTypeName, String comentarioUsuario, WorkflowContext context) in C:\vh4\VH4\WorkflowServices\WorkflowServices\Services\AuthorizationWorkflowStaticService.cs:line 233
   --- End of inner exception stack trace ---
   at System.Activities.Statements.MethodExecutor.InvokeAndUnwrapExceptions(Func`3 func, Object targetInstance, Object[] actualParameters)
   at System.Activities.Statements.MethodResolver.SyncMethodExecutor.BeginMakeMethodCall(AsyncCodeActivityContext context, Object target, AsyncCallback callback, Object state)
   at System.Activities.Statements.MethodExecutor.BeginExecuteMethod(AsyncCodeActivityContext context, AsyncCallback callback, Object state)
   at System.Activities.AsyncCodeActivity.InternalExecute(ActivityInstance instance, ActivityExecutor executor, BookmarkManager bookmarkManager)
   at System.Activities.Runtime.ActivityExecutor.ExecuteActivityWorkItem.ExecuteBody(ActivityExecutor executor, BookmarkManager bookmarkManager, Location resultLocation)