If you clone an Umbraco as a Service site to your local machine, create a Visual Studio website or project from the files, and then install a Nuget package that has Umbraco as a dependency (such as Archetype), this can lead to unanticipated problems. The Nuget package will install the latest Nuget Umbraco version over-top of your current files. It does not think that Umbraco has been installed since it has not been installed via Nuget.
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