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  • Michael Nielsen 82 posts 361 karma points
    Jul 12, 2013 @ 10:56
    Michael Nielsen
    0

    Sequence contains no elements

    I get this error when installing v 2.1.1 on Umbraco v 4.11.9 

     

    Server Error in '/' Application.

    Sequence contains no elements

    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.Linq.Enumerable.Single(IEnumerable`1 source) +371
       umbraco.BusinessLogic.ApplicationTreeRegistrar.<.ctor>b__0(Type x) +43
       System.Linq.WhereSelectListIterator`2.MoveNext() +232
       System.Linq.WhereSelectEnumerableIterator`2.MoveNext() +148
       System.Linq.<ConcatIterator>d__71`1.MoveNext() +643
       System.String.Join(String separator, IEnumerable`1 values) +341
       umbraco.BusinessLogic.ApplicationTreeRegistrar..ctor() +880
       umbraco.cms.businesslogic.packager.Installer.InstallBusinessLogic(Int32 packageId, String tempDir) +4713
       umbraco.presentation.developer.packages.Installer.ProcessInstall(String currentStep) +1161
       umbraco.presentation.developer.packages.Installer.Page_Load(Object sender, EventArgs e) +573
       System.Web.Util.CalliHelper.EventArgFunctionCaller(IntPtr fp, Object o, Object t, EventArgs e) +25
       umbraco.BasePages.BasePage.OnLoad(EventArgs e) +19
       System.Web.UI.Control.LoadRecursive() +71
       System.Web.UI.Page.ProcessRequestMain(Boolean includeStagesBeforeAsyncPoint, Boolean includeStagesAfterAsyncPoint) +3064
    



    Version Information: Microsoft .NET Framework Version:4.0.30319; ASP.NET Version:4.0.30319.1008

  • Stefan Kip 1613 posts 4130 karma points c-trib
    Jul 12, 2013 @ 11:22
    Stefan Kip
    100

    It's not a UrlTracker bug, but an Umbraco bug and has been resolved in newer versions: http://issues.umbraco.org/issue/U4-2379

  • Michael Nielsen 82 posts 361 karma points
    Jul 15, 2013 @ 11:48
    Michael Nielsen
    0

    Ok, but I only get the error when installing the URL Tracker package. Other packages installs fine...

    Cannot upgrade due to using nForum on the site, so I'll have to live without the URL tracker on this site...

  • Stefan Kip 1613 posts 4130 karma points c-trib
    Jul 15, 2013 @ 11:49
    Stefan Kip
    0

    You could also create a custom build by using the information from this comment: http://issues.umbraco.org/issue/U4-2379#comment=67-7958

  • Michael Nielsen 82 posts 361 karma points
    Jul 15, 2013 @ 11:55
    Michael Nielsen
    0

    My knowledge of .Net development is very limited, so I wouldn't know where or how to do that.

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