Application error when access /_layouts/15/PickerTreeView.aspx, Error=Object reference not set to an instance of an object.
at Microsoft.SharePoint.Publishing.Internal.WebControls.ObjectSerializer.evaluateTestAutomationId(CachedList cachedListToEval)
at Microsoft.SharePoint.Publishing.Internal.WebControls.ObjectSerializer.get_AutomationId()
at Microsoft.SharePoint.Publishing.Internal.WebControls.EcbEnabledTreeNode.RenderPreText(HtmlTextWriter writer)
at System.Web.UI.WebControls.TreeNode.Render(HtmlTextWriter writer, Int32 position, Boolean[] isLast, Boolean enabled)
at System.Web.UI.WebControls.TreeNode.RenderChildNodes(HtmlTextWriter writer, Int32 depth, Boolean[] isLast, Boolean enabled)
at System.Web.UI.WebControls.TreeNode.Render(HtmlTextWriter writer, Int32 position, Boolean[] isLast, Boolean enabled)
at System.Web.UI.WebControls.TreeView.RenderContents(HtmlTextWriter writer)
at System.Web.UI.WebControls.WebControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at ASP._layouts_15_dialog_master.__RenderPlaceHolderDialogBodySection(HtmlTextWriter __w, Control parameterContainer)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at ASP._layouts_15_dialog_master.__RenderDialogForm(HtmlTextWriter __w, Control parameterContainer)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.HtmlControls.HtmlForm.RenderChildren(HtmlTextWriter writer)
at System.Web.UI.HtmlControls.HtmlContainerControl.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at ASP._layouts_15_dialog_master.__Render__control1(HtmlTextWriter __w, Control parameterContainer)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Control.RenderChildrenInternal(HtmlTextWriter writer, ICollection children)
at Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.RenderChildren(HtmlTextWriter writer)
at System.Web.UI.Page.Render(HtmlTextWriter writer)
at Microsoft.SharePoint.WebControls.DeltaPage.RenderToBase(HtmlTextWriter writer)
at Microsoft.SharePoint.WebControls.DeltaPage.Render(HtmlTextWriter writer)
at Microsoft.SharePoint.WebControls.UnsecuredLayoutsPageBase.Render(HtmlTextWriter writer)
at System.Web.UI.Control.RenderControlInternal(HtmlTextWriter writer, ControlAdapter adapter)
at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint)