guizero said almost 4 years ago on Hotwire :
 

I followed your other video, without success...

Just so you understand the steps I have followed.

Using Rails 6.1.1.1

```
rails new app
cd app
bundle install
bundle add hotwire-rails
rails hotwire:install
```

I am using rails with webpacker as default.

And then scaffolded a posts model. Just that.

When visiting localhost:3000/posts the error shows up