I keep getting the following error.
Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code. Exception Details: System.InvalidOperationException: Sequence contains no elements Source Error: An unhandled exception was generated during the execution of the current web request. Information regarding the origin and location of the exception can be identified using the exception stack trace below. Stack Trace: [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) +1191 System.Data.Linq.SqlClient.SqlProvider.ExecuteAll(Expression query, QueryInfo[] queryInfos, IObjectReaderFactory factory, Object[] userArguments, ICompiledSubQuery[] subQueries) +118 System.Data.Linq.SqlClient.SqlProvider.System.Data.Linq.Provider.IProvider.Execute(Expression query) +342 System.Data.Linq.Table`1.System.Linq.IQueryProvider.Execute(Expression expression) +58 System.Linq.Queryable.Single(IQueryable`1 source, Expression`1 predicate) +287 v2.ArticleLanguageSubscription.LoadByRec(tblArticleLanguageSubscription rec) +425 v2.ArticleLanguageSubscriptionFunctions.GetSubscribers(Int32 languageID, Int32 sectionID) +513 TutorialSubmit.SubmitTutorial(Object sender, EventArgs e) +9356 System.Web.UI.WebControls.LinkButton.OnClick(EventArgs e) +116 System.Web.UI.WebControls.LinkButton.RaisePostBackEvent(String eventArgument) +101 System.Web.UI.WebControls.LinkButton.System.Web.UI.IPostBackEventHandler.RaisePostBackEvent(String eventArgument) +10 System.Web.UI.Page.RaisePostBackEvent(IPostBackEventHandler sourceControl, String eventArgument) +13 System.Web.UI.Page.RaisePostBackEvent(NameValueCollection postData) +9671830 System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +1724 [/code:3ajaf21y]
Tom Also getting this error. Come on guys it's getting silly now with all the errors. Time to get your act together.
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Agreed. Same issues for almost two years now.
Looks like it's actually submitted them unbeknown to me, unfortunately i re-submitted the same tutorial half a dozen times because of the error (trying various browsers, clearing cache etc) so now theres a page full. Oops. Can't see a way to delete them myself. Sorry about that. Kyatric Arima please delete.
Yup, looks like a bunch of us have submitted multiple copies of the same tutorial.
Thanks for report, can't pinpoint exact cause but am looking into it. If you submit, it will publish. Am uploading a bit of code to help pinpoint it.
For the record, I have never actually ran a website so don't take my comments personally. I'm venting more than anything and my comments in no way reflect my opinion of the admins here.