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  • morganj2013 1 post 21 karma points
    Feb 15, 2022 @ 12:32
    morganj2013
    0

    Umbraco Forms: Object type Umbraco.Forms.Web.Models.Backoffice.FormDesign is not supported here.

    I am currently running Umbraco v8.

    I attempted to install Umbraco Forms 8 from the UI button 'Install Umbraco Forms' - this install completed but I was unable to create an empty form as it was throwing this error:

    "ExceptionMessage":"Object type Umbraco.Forms.Web.Models.Backoffice.FormDesign is not supported here."
    "StackTrace":" at Umbraco.Web.ContentApps.ListViewContentAppFactory.GetContentAppFor
    

    I then discarded my code changes using Git (so any db changes would have still been present) and tried installing Umbraco Forms 8 using Nuget. This also completed however I get the same error.

    The 500 error comes from the endpoint

    umbraco/backoffice/UmbracoForms/Form/GetScaffoldWithWorkflows?template=
    

    This endpoint works when the template is the contactForm or the commentForm but not when the template parameter is null. This error also occurs when attempting to view/edit a custom made form.

    How do I rectify this error?

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