title: Ensure that HttpConfiguration.EnsureInitialized()
body: <p>I've installed Visual Studio 2013 and when I run my app I get the error below.</p>
  
  <p>I've got no idea as to where I'm to  initialized this object.</p>
  
  <p>What to do?</p>
  
  <pre><code>    Server Error in '/' Application.
  
  The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.
  
  Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. 
  
  Exception Details: System.InvalidOperationException: The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.
  
  Source Error: 
  
  An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below.
  
  Stack Trace: 
  
  
  [InvalidOperationException: The object has not yet been initialized. Ensure that HttpConfiguration.EnsureInitialized() is called in the application's startup code after all other initialization code.]
     System.Web.Http.Routing.RouteCollectionRoute.get_SubRoutes() +101
     System.Web.Http.Routing.RouteCollectionRoute.GetRouteData(String virtualPathRoot, HttpRequestMessage request) +63
     System.Web.Http.WebHost.Routing.HttpWebRoute.GetRouteData(HttpContextBase httpContext) +107
     System.Web.Routing.RouteCollection.GetRouteData(HttpContextBase httpContext) +233
     System.Web.Routing.UrlRoutingModule.PostResolveRequestCache(HttpContextBase context) +60
     System.Web.Routing.UrlRoutingModule.OnApplicationPostResolveRequestCache(Object sender, EventArgs e) +82
     System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +136
     System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) +69
  
  Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.18408
  </code></pre>
  
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