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https://www.cte.or.kr/Course/Info:개체 참조가 개체의 인스턴스로 설정되지 않았습니다. 위치: ASP._Page_Views_Course_info_cshtml.<>c__DisplayClass8.<Execute>b__4(MenuPage w) 파일 c:\inetpub\wwwroot\cte\front\Views\Course\info.cshtml:줄 5 위치: System.Linq.Enumerable.WhereListIterator`1.MoveNext() 위치: System.Linq.Enumerable.FirstOrDefault[TSource](IEnumerable`1 source) 위치: ASP._Page_Views_Course_info_cshtml.Execute() 파일 c:\inetpub\wwwroot\cte\front\Views\Course\info.cshtml:줄 5 위치: System.Web.WebPages.WebPageBase.ExecutePageHierarchy() 위치: System.Web.Mvc.WebViewPage.ExecutePageHierarchy() 위치: System.Web.WebPages.StartPage.RunPage() 위치: System.Web.WebPages.StartPage.ExecutePageHierarchy() 위치: System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) 위치: System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) 위치: System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) 위치: System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) 위치: System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) 위치: System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) 위치: System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilterRecursive(IList`1 filters, Int32 filterIndex, ResultExecutingContext preContext, ControllerContext controllerContext, ActionResult actionResult) 위치: System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) 위치: System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<>c__DisplayClass2b.<BeginInvokeAction>b__1c() 위치: System.Web.Mvc.Async.AsyncControllerActionInvoker.<>c__DisplayClass21.<BeginInvokeAction>b__1e(IAsyncResult asyncResult)