[Error loading the layout]
http://server/CMSVirtualFiles/Templates/Shared/=vg=2c67068f-148d-40c4-a0a4-1a60c1fb9d04/RedirectToParent.ascx(11): error CS1061: 'CMS.PortalEngine.ViewModeEnum' does not contain a definition for 'IsLiveSite' and no extension method 'IsLiveSite' accepting a first argument of type 'CMS.PortalEngine.ViewModeEnum' could be found (are you missing a using directive or an assembly reference?)