Referencia a objeto no establecida como instancia de un objeto.

System.NullReferenceException: Referencia a objeto no establecida como instancia de un objeto. en Opus.BusinessDomain.Recursos.Recurso.set_Clave(String value) en Opus.Modulo1.Application.Views.HojaPresupuestoViewController.vBaEpGFjkcb84FMVLwgv(Object , Object ) en Opus.Modulo1.Application.Views.HojaPresupuestoViewController.CrearNuevaMatriz(String clave, UnidadMedida unidad, String descripcion) en Opus.Modulo1.Application.Vistas.DrillDownController`1.ooH99XGDGFY(RenglonDePresupuesto& ) en Opus.Modulo1.Application.Vistas.DrillDownController`1.rmd99OxgAkf() en Opus.Modulo1.Application.Vistas.DrillDownController`1.UpdateDetail() en Opus.Modulo1.Application.Views.HojaPresupuestoView.QYUFYt1AOKLibxJHX20X(Object ) en Opus.Modulo1.Application.Views.HojaPresupuestoView.N6EVOckVEJD(Object , FocusedNodeChangedEventArgs ) en DevExpress.XtraTreeList.TreeList.RaiseFocusedNodeChanged(TreeListNode oldNode, TreeListNode newNode) en DevExpress.XtraTreeList.TreeList.InternalSetFocusedRowIndex(Int32 newFocusedRowIndex) en DevExpress.XtraTreeList.TreeList.set_FocusedRowIndex(Int32 value) en DevExpress.XtraTreeList.TreeList.SetFocusedNode(TreeListNode node) en DevExpress.XtraTreeList.TreeList.CheckAutoFocusedNode() en DevExpress.XtraTreeList.TreeList.LayoutChanged() en DevExpress.XtraTreeList.TreeList.EndUpdate() en EcoSoft.Windows.UserInterfaceControls.ViewControls.BaseTreeView.EndDataSourceUpdate() en Opus.Modulo1.Application.Views.HojaPresupuestoViewController.AfUuwbFjTk8IAyY1HvQS(Object ) en Opus.Modulo1.Application.Views.HojaPresupuestoViewController.AgregarElemento(Command command) en Opus.Modulo1.Application.Views.OpusBaseViewController`1.EjecutaAddElementCommand(Command command) en EcoSoft.Windows.Commands.BaseCommandHandler.Execute(Command command) en EcoSoft.Windows.Commands.CommandBaseController.ExecuteOnCommandHandler(Command command, ICommandHandler hostCommandHandler) en EcoSoft.Windows.Commands.CommandBaseController.ExecuteOnCommandHandler(Command command) en Opus.Modulo1.Application.Modulo1CommandInitializer.AKVJ4iG7LUxTkoynX8NL(Object ) en Opus.Modulo1.Application.Modulo1CommandInitializer.W0sBxeyiBIg(Object , CommandEventArgs ) en EcoSoft.Windows.Commands.Command.OnExecute(CommandEventArgs e) en EcoSoft.Windows.Commands.Command.DoExecute() en EcoSoft.Windows.Commands.Executors.DxBarItemCommandExecutor.button_ItemClick(Object sender, ItemClickEventArgs e) en DevExpress.XtraBars.BarItem.OnClick(BarItemLink link) en DevExpress.XtraBars.BarButtonItem.OnClick(BarItemLink link) en DevExpress.XtraBars.BarItemLink.OnLinkClick() en DevExpress.XtraBars.BarButtonItemLink.OnLinkClick() en DevExpress.XtraBars.BarItemLink.OnLinkAction(BarLinkAction action, Object actionArgs) en DevExpress.XtraBars.BarButtonItemLink.OnLinkAction(BarLinkAction action, Object actionArgs) en DevExpress.XtraBars.BarItemLink.OnLinkActionCore(BarLinkAction action, Object actionArgs) en DevExpress.XtraBars.ViewInfo.BarSelectionInfo.ClickLink(BarItemLink link) en DevExpress.XtraBars.ViewInfo.BarSelectionInfo.UnPressLink(BarItemLink link) en DevExpress.XtraBars.Controls.CustomLinksControl.OnMouseUp(MouseEventArgs e) en System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) en System.Windows.Forms.Control.WndProc(Message& m) en DevExpress.XtraBars.Controls.CustomControl.WndProc(Message& msg) en System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m) en System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m) en System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)