我的应用程序工作正常,但突然它停止工作并给出此错误[InvalidOperationException:Stack empty.] System.ThrowHelper.ThrowInvalidOperationException(ExceptionResource resource)+52 System.Collections.Generic.Stack`1.Pop()+ 6694385 Microsoft. VisualStudio.Web.PageInspector.Runtime.WebForms.SelectionMappingRenderTraceListener.EndRendering(TextWriter writer,Object renderedObject)+84 System.Web.UI.RenderTraceListenerList.EndRendering(TextWriter writer,Object renderedObject)+58 System.Web.UI.Control.RenderControlInternal( HtmlTextWriter writer,ControlAdapter adapter)+142 System.Web.UI.Control.RenderControl(HtmlTextWriter writer,ControlAdapter adapter)+100 System.Web.UI.Control.RenderControl(HtmlTextWriter writer)+25 System.Web.UI.Page.ProcessRequestMain (Boolean includeStagesBeforeAsyncPoint,Boolean includeStagesAfterAsyncPoint)+1386