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  • Steven Lemmens 4 posts 74 karma points
    1 week ago
    Steven Lemmens

    Possible caching error: "Umbraco.Web.PublishedModels.Image"


    I sometimes get the following error. Restarting my Umbraco v8 completely solves it for a while. It seems to return randomly after I have made changes to the document type of said page, so I guess it has something to do with caching ?

    The error is:

    The value "Umbraco.Web.PublishedModels.Image" is not of type "Umbraco.Web.PublishedModels.Image" and cannot be used in this generic collection.
    Parameter name: value

    And this is the code this error is triggered on:

       var img =  Model.Value<IPublishedContent>("boekomslag2");

    "boekomslag2" is a property of type Media Picker, and has a real image selected.

    You can also get a similar error if you go to Media, create a new "File" and upload an image. Umbraco seems to recognize that it is indeed an image, because you can select this media item in your Media Picker, even though this proeprty is set "Pick only images". But as soon as you select your "File", it generates a very similar error.

    Any ideas ?

  • Murat 3 posts 73 karma points
    1 week ago

    I upgraded to 8.0.2 and any changed code behind it returns the same error and restart on iis solves the problem

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