An item with the same key has already been added. at System.Collections.Generic.Dictionary`2.Insert(TKey key, TValue value, Boolean add) at HttpServer.Cms.HtmlParser.GetAttributes() in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 62 at HttpServer.Cms.HtmlParser.ReadTag(ICommandInfo commandInfo) in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 199 at HttpServer.Cms.HtmlParser.ReadCommandBody(ICommandInfo commandInfo) in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 438 at HttpServer.Cms.HtmlParser.ReadCommand() in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 363 at HttpServer.Cms.HtmlParser.ParseBody(Boolean isGroupBody) in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 410 at HttpServer.Cms.HtmlParser.ParseCommandBody(Byte[] html, IHtmlCommandElement owner) in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 467 at HttpServer.Cms.HtmlParser.Parse(String html, IHttpContext currentContext) in D:\iteration source - table 13 removed\HttpServer.Cms\Html\HtmlParser.cs:line 453 at HttpServer.Cms.HttpContext.Render() in D:\iteration source - table 13 removed\HttpServer.Cms\Http\HttpContext.cs:line 101 at MyWebServerNamespace.MyWebServer.LoadCmsValues(Content cms, Ssl sslClass, DataSet& Ds, DataTable& fileDt, Socket& mySocket, Byte[]& contentBytes, Boolean& showCmsError) in D:\iteration source - table 13 removed\MyWebServer\MyWebServer.cs:line 1625