Modern Front-End Development for Rails - application does not start after run bin/setup (page xviii)

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After some hassle, I was able to finally run bin/setup, now I have started the rails server but I get this error message right when I visit the homepage:

ctionView::Template::Error (Webpacker can’t find application.css in /Users/thomas/Documents/Websites/rails-frontend/public/packs/manifest.json. Possible causes:

  1. You want to set webpacker.yml value of compile to true for your environment
    unless you are using the webpack -w or the webpack-dev-server.
  2. webpack has not yet re-run to reflect updates.
  3. You have misconfigured Webpacker’s config/webpacker.yml file.
  4. Your webpack configuration is not creating a manifest.
    Your manifest contains:
    {
    “application.js”: “/packs/js/application-e2d1692aebb36c02d64a.js”,
    “entrypoints”: {
    “application”: {
    “assets”: {
    “js”: [
    “/packs/js/runtime-a264c6705547ad01acbb.js”,
    “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”,
    “/packs/js/application-e2d1692aebb36c02d64a.js”
    ]
    }
    }
    },
    “js/application-e2d1692aebb36c02d64a.js.map”: “/packs/js/application-e2d1692aebb36c02d64a.js.map”,
    “js/runtime-a264c6705547ad01acbb.js.map”: “/packs/js/runtime-a264c6705547ad01acbb.js.map”,
    “js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”: “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js”,
    “js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js.map”: “/packs/js/vendors-node_modules_rails_activestorage_app_assets_javascripts_activestorage_js-node_modules-2576d4-9a719947c3eb6bc6295c.js.map”,
    “runtime.js”: “/packs/js/runtime-a264c6705547ad01acbb.js”
    }
    ):
    5:
    6: <%= csrf_meta_tags %>
    7: <%= csp_meta_tag %>
    8: <%= stylesheet_pack_tag(
    9: “application”,
    10: media: “all”,
    11: “data-turbolinks-track”: “reload”

app/views/layouts/application.html.erb:8

I am not 100% sure what is wrong here?