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Can't Upload new Tutorials

  • 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.

  • Tom Also getting this error. Come on guys it's getting silly now with all the errors. Time to get your act together.

    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.

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  • 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.

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