I have installed this package but get this error when attempting to login using my Google Account OpenId:

 Object reference not set to an instance of an object. 

            

             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.NullReferenceException: Object reference not set to an instance of an object.



            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: 



            

               

                  

                      
[NullReferenceException: Object reference not set to an instance of an object.]
   Ulriksen.Umbraco.OpenId.Web.State.set_ProfileFields(ClaimsResponse value) +57
   Ulriksen.Umbraco.OpenId.Web.OpenId.Page_Load(Object sender, EventArgs e) +362
   System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +14
   System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +35
   System.Web.UI.Control.OnLoad(EventArgs e) +99
   System.Web.UI.Control.LoadRecursive() +50
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.LoadRecursive() +141
   System.Web.UI.Control.AddedControl(Control control, Int32 index) +265
   System.Web.UI.ControlCollection.Add(Control child) +80
   System.Web.UI.WebControls.LoginView.CreateChildControls() +215
   System.Web.UI.Control.EnsureChildControls() +87
   System.Web.UI.Control.PreRenderRecursiveInternal() +44
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Control.PreRenderRecursiveInternal() +171
   System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +842