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Categories problem -- Serialize Parameter ?

2 posts, 0 answered
  1. Patricia
    Patricia avatar
    15 posts
    Registered:
    05 Jun 2015
    05 Jun 2015
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    My company is using the Sitefinity 8.0.5700.0 Standard Edition for our website -- Every time I try to access "Categories" or even add categories when I'm publishing a list/news item, this message pops up: 

     

    Cannot serialize parameter of type 'Telerik.Sitefinity.Web.Services.TaxonomyCollectionContext'(for operation 'GetTaxa', contract 'IHierarchicalTaxonService') because it is not the exact type 'Telerik.Sitefinity.Web.Services.CollectionContext`1[Telerik.Sitefinity.Taxonomies.Web.Services.WcfHierarchicalTaxon]' in the method signature and is not in the known types collecetion. In order to serialize the parameter, add the type of the known types collection for the operation using ServiceKnownTypeAttribute. 

     

    When I press okay, the page just keeps on loading, but I never get to access the Categories page.  Does anyone know the problem or have any solution?​ Thanks

  2. Svetoslav Manchev
    Svetoslav Manchev avatar
    735 posts
    Registered:
    07 Dec 2016
    10 Jun 2015
    Link to this post
    Hi Patricia,

    I would recommend you to try on backup copy of the project to upgrade it to the latest Internal Build (you can download it form your account).

    In case this do not helps to open a support ticket where to investigate the issue more detailed.

    Regards,
    Svetoslav Manchev
    Telerik
     
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2 posts, 0 answered