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Add details on how to fix the website error the first time the app is run #7411

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Sep 22, 2025
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Add details on how to fix the website error the first time the app is run #7411

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Add the website error details the first time the app is run
ardelean94 Sep 18, 2025
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Update 16/umbraco-cms/tutorials/starter-kit/install-the-starter-kit.md
ardelean94 Sep 19, 2025
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6 changes: 6 additions & 0 deletions 16/umbraco-cms/tutorials/starter-kit/install-the-starter-kit.md
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Expand Up @@ -59,4 +59,10 @@ To install the starter Kit via Visual Studio, follow these steps:

You now have a fully functional Umbraco site with demo content, templates, and structure to explore. Use this setup as the foundation for the upcoming lessons in this Starter Kit tutorial.

{% hint style="warning" %}
If `Umbraco:CMS:Runtime:Mode=Development` and `Umbraco:CMS:ModelsBuilder:ModelsMode` is set to `SourceCodeAuto` or `SourceCodeManual`, an error occurs the first time the app runs.

To fix this, log into **Umbraco Backoffice**, go to **Settings** → **Models Builder**, and click **Generate Models**. Restart the app to clear the error.
{% endhint %}

[Back to Lessons](./)