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POThe given key was not present in the dictionary error when running application in windows server 2008 r2
 

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  1. POThe given key was not present in the dictionary error when running application in windows server 2008 r2
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    <p>I have one web application made using MVC3 Razor.</p> <p>Application starts properly in browser but after put some values in text box &amp; click on search button I get error as </p> <p>"<strong>The given key was not present in the dictionary</strong>".</p> <p>This happens only in Windows server 2008 R2. In other Os like windows 7, Windows server 2008 sp1 it works fine.</p> <p>Below is the Stack Trace </p> <pre><code>[KeyNotFoundException: The given key was not present in the dictionary.] System.Collections.Generic.Dictionary`2.get_Item(TKey key) +12686831 CVR_Prototype.Controllers.HomeController.CvrDetailsCompleted() +171 lambda_method(Closure , ControllerBase , Object[] ) +79 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass7.&lt;BeginExecute&gt;b__5(IAsyncResult asyncResult) +288 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass41.&lt;BeginInvokeAsynchronousActionMethod&gt;b__40(IAsyncResult asyncResult) +22 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass3b.&lt;BeginInvokeActionMethodWithFilters&gt;b__35() +129 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass51.&lt;InvokeActionMethodFilterAsynchronously&gt;b__4b() +810887 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass51.&lt;InvokeActionMethodFilterAsynchronously&gt;b__4b() +810887 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass39.&lt;BeginInvokeActionMethodWithFilters&gt;b__38(IAsyncResult asyncResult) +15 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass2c.&lt;BeginInvokeAction&gt;b__22() +33 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass27.&lt;BeginInvokeAction&gt;b__24(IAsyncResult asyncResult) +811468 System.Web.Mvc.&lt;&gt;c__DisplayClass19.&lt;BeginExecuteCore&gt;b__14(IAsyncResult asyncResult) +28 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +20 System.Web.Mvc.AsyncController.EndExecuteCore(IAsyncResult asyncResult) +67 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +20 System.Web.Mvc.AsyncController.EndExecute(IAsyncResult asyncResult) +53 System.Web.Mvc.&lt;&gt;c__DisplayClassb.&lt;BeginProcessRequest&gt;b__4(IAsyncResult asyncResult) +42 System.Web.Mvc.Async.&lt;&gt;c__DisplayClass4.&lt;MakeVoidDelegate&gt;b__3(IAsyncResult ar) +20 System.Web.Mvc.&lt;&gt;c__DisplayClasse.&lt;EndProcessRequest&gt;b__d() +54 System.Web.CallHandlerExecutionStep.OnAsyncHandlerCompletion(IAsyncResult ar) +136 </code></pre>
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