When attempting to run an application that uses certain Telerik controls, you may run into the error below: System.InvalidOperationException: ‘~/Telerik.Web.UI.WebResource.axd’ is missing in web.config. RadStyleSheetManager requires a HttpHandler registration in web.config. Please, use the control Smart Tag to add the handler automatically, or see the help for more information: Controls > RadStyleSheetManager at Telerik.Web.UI.RadStyleSheetManager.OnPreRender(EventArgs e) […]