JAB33699 Jan 10, 2013 at 12:14 PM Hi, after I change the theme of one of my multiply blogs the following error appears. ```Zeile 74: { Zeile 75: if (isFromCurrentHttpRequest && Blog.CurrentInstance.IsSubfolderOfApplicationWebRoot) Zeile 76: url = Utils.ApplicationRelativeWebRoot + url.Substring(Blog.CurrentInstance.RelativeWebRoot.Length); Zeile 77: Zeile 78: var i = url.LastIndexOf("/");``` Quelldatei: c:\inetpub\wwwroot\Autocad.CAD-DotNet\admin\menu.ascx.cs Zeile: 76 Can someone tells me what went wrong? Many thanks. Regards Jürgen