Evolution 1.11.1.0 - No se pueden visualizar Contrataciones por autorizar

Se realizo la actualizacion de la ultima version de Evolution pero se presenta el problema que al tratar y en la opcion de autorizaciones y tratar de abrir una de Contrataciones tira el siguiente mensaje de error:

System.NullReferenceException: Object reference not set to an instance of an object. at Aseinfo.VH4.General.Controllers.FlujosAutorizacionController.<>c.<createlistfiltrosindex>b18_2(ActividadAutorizacionInstanciaDescripcionViewModel z) in C:worka3e0cbded2a6d4b3VH4GeneralControllersFlujosAutorizacionController.cs:line 356 at System.Linq.Enumerable.WhereSelectListIterator2.MoveNext() at System.Linq.Enumerable.<distinctiterator>d__811.MoveNext() at System.Linq.Enumerable.WhereSelectEnumerableIterator2.MoveNext() at System.Linq.Enumerable.Count[TSource](IEnumerable1 source) at Aseinfo.VH4.General.Controllers.FlujosAutorizacionController.CreateListFiltrosIndex(List1 actividades) in C:worka3e0cbded2a6d4b3VH4GeneralControllersFlujosAutorizacionController.cs:line 364 at Aseinfo.VH4.General.Controllers.FlujosAutorizacionController.Index(String id) in C:worka3e0cbded2a6d4b3VH4GeneralControllersFlujosAutorizacionController.cs:line 332 at lambda_method(Closure , ControllerBase , Object[] ) at System.Web.Mvc.ActionMethodDispatcher.Execute(ControllerBase controller, Object[] parameters) at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary2 parameters) at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary2 parameters) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<begininvokesynchronousactionmethod>b__39(IAsyncResult asyncResult, ActionInvocation innerInvokeState) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult2.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase1.End() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethod(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<invokeactionmethodfilterasynchronouslyrecursive>b3d() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>cDisplayClass46.<invokeactionmethodfilterasynchronouslyrecursive>b3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>cDisplayClass46.<invokeactionmethodfilterasynchronouslyrecursive>b3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>cDisplayClass46.<invokeactionmethodfilterasynchronouslyrecursive>b3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.AsyncInvocationWithFilters.<>cDisplayClass46.<invokeactionmethodfilterasynchronouslyrecursive>b3f() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>cDisplayClass33.<begininvokeactionmethodwithfilters>b__32(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResult1.CallEndDelegate(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncResultWrapper.WrappedAsyncResultBase`1.End() at System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeActionMethodWithFilters(IAsyncResult asyncResult) at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>cDisplayClass21.<>cDisplayClass2b.<begininvokeaction>b1c() at System.Web.Mvc.Async.AsyncControllerActionInvoker.<>cDisplayClass21.<begininvokeaction>b1e(IAsyncResult asyncResult)