Error when opening scheduled messsage

Description

Precondition: The Social Reach gadget is added in edit view.

Steps to reproduce

1. Open Edit view.
2. Create & publish a page.
3. Share the page.
4. Schedule it with specific date/time.
5. Open the page in Edit View.
6. Open the scheduled message link in SR gadget.

Expected: Redirect to message detail in SR.

Actual: Error :

Exception details: InvalidOperationException: This request has probably been tampered with. Close the browser and try again.
Stack trace:
 
[InvalidOperationException: This request has probably been tampered with. Close the browser and try again.]
   at EPiServer.Framework.Web.AspNetAntiForgery.ThrowForgeryException()
   at EPiServer.Social.Controllers.ControllerBase.OnActionExecuting(ActionExecutingContext filterContext)
   at System.Web.Mvc.Controller.System.Web.Mvc.IActionFilter.OnActionExecuting(ActionExecutingContext filterContext)
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodFilter(IActionFilter filter, ActionExecutingContext preContext, Func`1 continuation)
   at System.Web.Mvc.ControllerActionInvoker.<>c__DisplayClass15.<>c__DisplayClass17.b__14()
   at System.Web.Mvc.ControllerActionInvoker.InvokeActionMethodWithFilters(ControllerContext controllerContext, IList`1 filters, ActionDescriptor actionDescriptor, IDictionary`2 parameters)
   at System.Web.Mvc.ControllerActionInvoker.InvokeAction(ControllerContext controllerContext, String actionName)
   at System.Web.Mvc.Controller.ExecuteCore()
   at System.Web.Mvc.ControllerBase.Execute(RequestContext requestContext)
   at System.Web.Mvc.ControllerBase.System.Web.Mvc.IController.Execute(RequestContext requestContext)
   at EPiServer.Shell.Web.Mvc.ModuleMvcHandler.ProcessController(IController controller)
   at EPiServer.Shell.Web.Mvc.ModuleMvcHandler.BeginProcessRequest(HttpContextBase httpContext, AsyncCallback callback, Object state)
   at System.Web.Mvc.MvcHandler.BeginProcessRequest(HttpContext httpContext, AsyncCallback callback, Object state)
   at System.Web.Mvc.MvcHandler.System.Web.IHttpAsyncHandler.BeginProcessRequest(HttpContext context, AsyncCallback cb, Object extraData)
   at System.Web.HttpApplication.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
   at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)