AD Agent Validation exception

Dashboard Error
System.Collections.Generic.KeyNotFoundException: The given key was not present in the dictionary.
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at Unify.EventBroker.Web.AgentsController.<.ctor>b__e(UnifySiteMapNode node, UnifySiteNodeAttribute attribute, RequestContext context, IDictionary`2 dynamicValues, RouteData data, NameValueCollection postedData, NameValueCollection queryString) in c:\TeamCity\buildAgent\work\e1e11e299a05c3e1\Source\Unify.EventBroker.Web\Controllers\AgentsController.cs:line 352
at Unify.Framework.Web.UnifySiteMapProvider`2.UpdateNodeForRequest(TNode node, TNodeAttribute nodeAttribute, RequestContext requestContext, IDictionary`2 dynamicValues, RouteData routeData, NameValueCollection postedData, NameValueCollection queryString) in c:\TeamCity\buildAgent\work\aad7920828b5b314\Source\Web\Unify.Framework.Web.SiteMap\UnifySiteMapProvider.cs:line 141
at Unify.Framework.Web.UnifySiteMapDynamicTree`2.FindNodeAndUpdateBranch(HttpRequest request, UpdateNode`2 updateNode) in c:\TeamCity\buildAgent\work\aad7920828b5b314\Source\Web\Unify.Framework.Web.SiteMap\UnifySiteMapDynamicTree.cs:line 207
at System.Web.SiteMapProvider.FindSiteMapNode(HttpContext context)
at System.Web.SiteMapProvider.get_CurrentNode()
at Unify.Framework.Web.UnifySiteMapExtensions.DecorateForm(HtmlHelper htmlHelper, Func`1 form, String submitText, String formId, String title, String name) in c:\TeamCity\buildAgent\work\aad7920828b5b314\Source\Web\Unify.Framework.Web.SiteMap\UnifySiteMapExtensions.cs:line 50
at ASP._Page_Views_Agents_CreateADAgent_cshtml.Execute() in c:\Program Files\UNIFY Solutions\Event Broker\Web\Views\Agents\CreateADAgent.cshtml:line 9
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy()
at System.Web.Mvc.WebViewPage.ExecutePageHierarchy()
at System.Web.WebPages.StartPage.ExecutePageHierarchy()
at System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage)
at System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context)
at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass1c.<InvokeActionResultWithFilters>b__19()
at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation)
at System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult)
at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)