[InvalidOperationException: Sequence contains no elements]
System.Data.Linq.SqlClient.SqlProvider.Execute(Expression query, QueryInfo queryInfo, IObjectReaderFactory factory, Object[] parentArgs, Object[] userArgs, ICompiledSubQuery[] subQueries, Object lastResult) +3266
System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +189
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +428
System.Data.Linq.DataQuery`1.System.Linq.IQueryProvider.Execute(Expression expression) +51
ASP._Page__CategorizedArticle_cshtml.Execute() in c:\inetpub\vhosts\ilidomika.gr\somaygies.gr\_CategorizedArticle.cshtml:36
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +99
System.Web.WebPages.WebPage.ExecutePageHierarchy() +185
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +304
System.Web.WebPages.WebPageBase.Write(HelperResult result) +108
ASP._Page__CategorizedArticles_cshtml.Execute() in c:\inetpub\vhosts\ilidomika.gr\somaygies.gr\_CategorizedArticles.cshtml:11
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +99
System.Web.WebPages.WebPage.ExecutePageHierarchy() +185
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +122
System.Web.WebPages.<>c__DisplayClass7.<RenderPageCore>b__6(TextWriter writer) +304
System.Web.WebPages.WebPageBase.Write(HelperResult result) +108
ASP._Page_CategorizedArticles_cshtml.Execute() in c:\inetpub\vhosts\ilidomika.gr\somaygies.gr\CategorizedArticles.cshtml:2
System.Web.WebPages.WebPageBase.ExecutePageHierarchy() +252
System.Web.WebPages.WebPage.ExecutePageHierarchy(IEnumerable`1 executors) +99
System.Web.WebPages.WebPage.ExecutePageHierarchy() +185
System.Web.WebPages.WebPageBase.ExecutePageHierarchy(WebPageContext pageContext, TextWriter writer, WebPageRenderingBase startPage) +107
System.Web.WebPages.WebPageHttpHandler.ProcessRequestInternal(HttpContextBase httpContext) +142
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