When I try to include layers from an existing WMS service, I'm getting object reference not set to and instance of an objet error..

Hi,

 

When I try to include layers from an existing WMS service, I'm getting object reference not set to and instance of an objet error when I hit "Apply Changes". How can this be fixed?

 

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.a(JsonLayerListItem A_0, SiteConfig A_1, IDictionary`2 A_2)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.a(JsonLayerListItem A_0, SiteConfig A_1, IDictionary`2 A_2)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.a(JsonLayerListItem A_0, SiteConfig A_1, IDictionary`2 A_2)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.a(JsonLayerListItem A_0, SiteConfig A_1, IDictionary`2 A_2)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.a(JsonLayerListItem A_0, SiteConfig A_1, IDictionary`2 A_2)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.SaveLayerList(IList`1 jsonLayerList, SiteConfig siteConfig)

 

   at Geocortex.Essentials.RestManager.Controllers.MapController.EditServices(FormCollection collection)

 

   at lambda_method(Closure , ControllerBase , Object[] )

 

   at System.Web.Mvc.ReflectedActionDescriptor.Execute(ControllerContext controllerContext, IDictionary`2 parameters)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethod(ControllerContext controllerContext, ActionDescriptor actionDescriptor, IDictionary`2 parameters)

 

   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClassd.<InvokeActionMethodWithFilters>b__a()

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters)

 

   at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)