watching the blazor video series on video 2 of 11 and I get this error running the basic project.

mark lefler 41 Reputation points
2021-11-03T12:30:51.473+00:00

I haven't done anything beyond make the project with dotnet new blazorserver -o FirstBlazorApp then open it in VS Studio 2019 and run it.

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Blazor
Blazor
A free and open-source web framework that enables developers to create web apps using C# and HTML being developed by Microsoft.
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