Getting the same error

```
/Users/g/labs> dotnet new uninstall Progress.Blazor.Templates.Package

The template package 'Progress.Blazor.Templates.Package' is not found.
To list installed template packages use:
   dotnet new uninstall


For details on the exit code, refer to https://aka.ms/templating-exit-codes#103
Completed. Exit code: 103
```

and

```
/Users/g/labs> dotnet new install /Users/g/.vscode/extensions/telerikinc.blazortemplatewizard-2.17.0/nuget/Progress.Blazor.Templates.Package.3.0.3.nupkg

The following template packages will be installed:
   /Users/g/.vscode/extensions/telerikinc.blazortemplatewizard-2.17.0/nuget/Progress.Blazor.Templates.Package.3.0.3.nupkg

/Users/g/.vscode/extensions/telerikinc.blazortemplatewizard-2.17.0/nuget/Progress.Blazor.Templates.Package.3.0.3.nupkg is not supported.

For details on the exit code, refer to https://aka.ms/templating-exit-codes#106
Completed. Exit code: 106

```