User alert error

User alert error

If you receive the following error on the “user alerts” page: Object reference not set to an instance of an object. at Microsoft.SharePoint.ApplicationPages.SiteSubsPage.OnLoad(EventArgs e) at System.Web.UI.Control.LoadRecursive() at System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) you’ll have to upgrade your MOSS environment to the cummulative update off  WSS 3 August 2009 at least to solve this problem.