HI All I'm getting a null ref error

@inherits Umbraco.Web.Mvc.UmbracoTemplatePage
@{
    Layout = "Admin.cshtml";
    var loginstatusmodel = @Members.GetCurrentLoginStatus();
    var currentmember = @Members.GetCurrentMember();
    var profilemodel = @Members.GetCurrentMemberProfileModel(); << Null Reference Error

}

Stack :

[NullReferenceException: Object reference not set to an instance of an object.]
   Umbraco.Web.Security.MembershipHelper.GetMemberPropertiesViewModel(IMemberType memberType, IEnumerable`1 builtIns, IMember member) +320
   Umbraco.Web.Security.MembershipHelper.GetCurrentMemberProfileModel() +733
   ASP._Page_Views_AdminProfile_cshtml.Execute() in c:\inetpub\wwwroot\uMaster\Views\AdminProfile.cshtml:6
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +279
   System.Web.Mvc.WebViewPage.ExecutePageHierarchy() +124
   System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +180
   Umbraco.Core.Profiling.ProfilingView.Render(ViewContext viewContext, TextWriter writer) +139
   System.Web.Mvc.ViewResultBase.ExecuteResult(ControllerContext context) +379
   System.Web.Mvc.<>c__DisplayClass1a.<InvokeActionResultWithFilters>b__17() +32
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +613
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultFilter(IResultFilter filter, ResultExecutingContext preContext, Func`1 continuation) +613
   System.Web.Mvc.ControllerActionInvoker.InvokeActionResultWithFilters(ControllerContext controllerContext, IList`1 filters, ActionResult actionResult) +263
   System.Web.Mvc.Async.<>c__DisplayClass25.<BeginInvokeAction>b__22(IAsyncResult asyncResult) +240
   System.Web.Mvc.<>c__DisplayClass1d.<BeginExecuteCore>b__18(IAsyncResult asyncResult) +28
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.Controller.EndExecuteCore(IAsyncResult asyncResult) +53
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.Mvc.<>c__DisplayClass8.<BeginProcessRequest>b__3(IAsyncResult asyncResult) +42
   System.Web.Mvc.Async.<>c__DisplayClass4.<MakeVoidDelegate>b__3(IAsyncResult ar) +15
   System.Web.CallHandlerExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute() +606
   System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously) +288