Object reference not set to an instance of an object.
at DotNetNuke.Entities.Tabs.TabController.GetTabSettings(Int32 tabId)
at Globalstech.Update.OutputCacheModule.OnResolveRequestCache(Object sender, EventArgs e) in D:\Projects\Globalstech_New\ClassLibrary1\OutputCacheModule.cs:line 46
at System.Web.HttpApplication.SyncEventExecutionStep.System.Web.HttpApplication.IExecutionStep.Execute()
at System.Web.HttpApplication.ExecuteStep(IExecutionStep step, Boolean& completedSynchronously)