[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) +1166
System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +120
System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +352
System.Data.Linq.DataQuery`1.System.Linq.IQueryProvider.Execute(Expression expression) +54
System.Linq.Queryable.Single(IQueryable`1 source) +211
shopZone.infoPage.Page_Load(Object sender, EventArgs e) in D:\repos2\zlatnictviNoemi\shopZone\shopZone\infoPage.aspx.cs:17
System.Web.Util.CalliEventHandlerDelegateProxy.Callback(Object sender, EventArgs e) +85
System.Web.UI.Control.OnLoad(EventArgs e) +79
System.Web.UI.<LoadRecursiveAsync>d__246.MoveNext() +221
System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task) +139
System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task) +59
System.Web.Util.WithinCancellableCallbackTaskAwaiter.GetResult() +31
System.Web.UI.<ProcessRequestMainAsync>d__523.MoveNext() +4627
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