I were doing this tutorial https://learn.microsoft.com/en-us/aspnet/core/blazor/tutorials/movie-database-app/part-2?view=aspnetcore-8.0&pivots=vs.
When I add Razor components using Entity Framework (CRUD):


After I press add, it throws an error
There was an error running the selected code generator: 'Package restore failed. Rolling back package changes for 'Learn."
In this tutorial, till that step, it's not require install any package.
Please help me!