title: Type is not resolved for member "Microsoft.IdentityModel.Claims.ClaimsPrincipal,Microsoft.IdentityModel"
body: <p>Any thoughts about how to resolve this error? I'm stuck at the moment and having a hard time finding reading on this. Any help would be greatly appreciated:</p>
  
  <pre><code>Server Error in '/www' Application. 
  
  Type is not resolved for member 'Microsoft.IdentityModel.Claims.ClaimsPrincipal,Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'. 
  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.Runtime.Serialization.SerializationException: Type is not resolved for member 'Microsoft.IdentityModel.Claims.ClaimsPrincipal,Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.
  
  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: 
  
  [SerializationException: Type is not resolved for member 'Microsoft.IdentityModel.Claims.ClaimsPrincipal,Microsoft.IdentityModel, Version=3.5.0.0, Culture=neutral, PublicKeyToken=31bf3856ad364e35'.]
     Microsoft.VisualStudio.WebHost.Connection.get_LocalIP() +0
     Microsoft.VisualStudio.WebHost.Request.GetLocalAddress() +43
     Microsoft.VisualStudio.WebHost.Request.GetServerName() +11
     System.Web.HttpRequest.get_Url() +140
     Telerik.Sitefinity.Security.Claims.&lt;&gt;c__DisplayClass9.&lt;SkipAuthentication&gt;b__8(String aip) +17
     System.Linq.Enumerable.Any(IEnumerable`1 source, Func`2 predicate) +151
     Telerik.Sitefinity.Security.Claims.SitefinityClaimsAuthenticationModule.SkipAuthentication(HttpRequest request) +74
     Telerik.Sitefinity.Security.Claims.SitefinityClaimsAuthenticationModule.OnAuthenticateRequest(Object sender, EventArgs args) +201
     System.Web.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +148
     System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean&amp; completedSynchronously) +75
  
  Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.272 
  </code></pre>