title: Method not found: 'System.Object Newtonsoft.Json.Linq.JToken.ToObject(System.Type)'
body: <p>Our mvc project with json.net running without any problem on every developer except the one with the new windows 8.1 system. How can we find source of the method not found problem ?</p>
  
  <p>details of the exception ;</p>
  
  <pre><code>[MissingMethodException: Method not found: 'System.Object Newtonsoft.Json.Linq.JToken.ToObject(System.Type)'.]
    ExtensionMethods.Eval(Object o, String propertyName) in c:\Users\maxSEPHIROTH\Documents\Visual Studio 2012\Projects\LogiSysMvc\LogiSysMvc\ClassLibrary\ExtensionMethods.cs:136
    ASP.&lt;&gt;c__DisplayClass20.&lt;Execute&gt;b__1(CallbackPanelSettings settings) in c:\Users\maxSEPHIROTH\Documents\Visual Studio 2012\Projects\LogiSysMvc\LogiSysMvc\LogiSysMvc\Views\Genel_Personel\GridViewEditFormPartial.cshtml:430
    DevExpress.Web.Mvc.UI.ExtensionsFactory.CreateExtension(Action`1 method) +137
    DevExpress.Web.Mvc.UI.ExtensionsFactory.CallbackPanel(Action`1 method) +43
    ASP._Page_Views_Genel_Personel_GridViewEditFormPartial_cshtml.Execute() in c:\Users\maxSEPHIROTH\Documents\Visual Studio 2012\Projects\LogiSysMvc\LogiSysMvc\LogiSysMvc\Views\Genel_Personel\GridViewEditFormPartial.cshtml:11
    System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +271
    System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +121
    System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +191
    System.Web.Mvc.RazorView.RenderView(ViewContext viewContext, TextWriter writer, Object instance) +762
    System.Web.Mvc.BuildManagerCompiledView.Render(ViewContext viewContext, TextWriter writer) +382
    System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +431
    System.Web.Mvc.ControllerActionInvoker.InvokeActionResult(ControllerContext controllerContext, ActionResult actionResult) +39
    System.Web.Mvc.&lt;&gt;c__DisplayClass1a.&lt;InvokeActionResultWithFilters&gt;b__17() +74
    System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +388
    System.Web.Mvc.&lt;&gt;c__DisplayClass1c.&lt;InvokeActionResultWithFilters&gt;b__19() +72
    System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +303
    System.Web.Mvc.Async.&lt;&gt;c__DisplayClass2a.&lt;BeginInvokeAction&gt;b__20() +155
    System.Web.Mvc.Async.&lt;&gt;c__DisplayClass25.&lt;BeginInvokeAction&gt;b__22(IAsyncResult asyncResult) +184
    System.Web.Mvc.Async.WrappedAsyncResult`1.End() +136
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +56
    System.Web.Mvc.Async.AsyncControllerActionInvoker.EndInvokeAction(IAsyncResult asyncResult) +66
    System.Web.Mvc.&lt;&gt;c__DisplayClass1d.&lt;BeginExecuteCore&gt;b__18(IAsyncResult asyncResult) +40
    System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +47
    System.Web.Mvc.Async.WrappedAsyncResult`1.End() +151
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
    System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +68
    System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +47
    System.Web.Mvc.Async.WrappedAsyncResult`1.End() +151
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
    System.Web.Mvc.Controller.EndExecute(IAsyncResult asyncResult) +65
    System.Web.Mvc.Controller.System.Web.Mvc.Async.IAsyncController.EndExecute(IAsyncResult asyncResult) +39
    System.Web.Mvc.&lt;&gt;c__DisplayClass8.&lt;BeginProcessRequest&gt;b__3(IAsyncResult asyncResult) +45
    System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +47
    System.Web.Mvc.Async.WrappedAsyncResult`1.End() +151
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +59
    System.Web.Mvc.Async.AsyncResultWrapper.End(IAsyncResult asyncResult, Object tag) +40
    System.Web.Mvc.MvcHandler.EndProcessRequest(IAsyncResult asyncResult) +66
    System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.EndProcessRequest(IAsyncResult result) +38
    System.Web.Mvc.&lt;&gt;c__DisplayClassa.&lt;EndProcessRequest&gt;b__9() +44
    System.Web.Mvc.&lt;&gt;c__DisplayClass4.&lt;Wrap&gt;b__3() +34
    System.Web.Mvc.ServerExecuteHttpHandlerWrapper.Wrap(Func`1 func) +69
    System.Web.Mvc.ServerExecuteHttpHandlerWrapper.Wrap(Action action) +123
    System.Web.Mvc.ServerExecuteHttpHandlerAsyncWrapper.EndProcessRequest(IAsyncResult result) +133
    System.Web.HttpServerUtility.ExecuteInternal(IHttpHandler handler, TextWriter writer, Boolean preserveForm, Boolean setPreviousPage, VirtualPath path, VirtualPath filePath, String physPath, Exception error, String queryStringOverride) +1097
  </code></pre>