[Bug] Error '@home-hub/hello-world' died in status LOADING_SOURCE_CODE | Single SPA: orquestrando micro front-ends

Ao roda o projeto estou recebendo esse erro ( Insira aqui a descrição dessa imagem para ajudar na acessibilidade

app-errors.js:12 Uncaught Error: application '@home-hub/hello-world' died in status LOADING_SOURCE_CODE: Unable to resolve bare specifier '@home-hub/hello-world' from http://localhost:9000/ (SystemJS Error#8 https://github.com/systemjs/systemjs/blob/main/docs/errors.md#8)
    at throwUnresolved (system.js:725:11)
    at SystemJS.resolve (system.js:721:101)
    at system.js:228:21

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Root Config</title>
    <meta
      http-equiv="Content-Security-Policy"
      content="default-src 'self' https: localhost:*; script-src 'unsafe-inline' 'unsafe-eval' https: localhost:*; connect-src https: localhost:* ws://localhost:*; style-src 'unsafe-inline' https:; object-src 'none';"
    />
    <script src="https://cdn.jsdelivr.net/npm/systemjs@6.10.3/dist/system.min.js"></script>
    <meta name="importmap-type" use-injector />
    <!-- If you wish to turn off import-map-overrides for specific environments (prod), uncomment the line below -->
    <!-- More info at https://github.com/single-spa/import-map-overrides/blob/main/docs/configuration.md#domain-list -->
    <!-- <meta name="import-map-overrides-domains" content="denylist:prod.example.com" /> -->

    <!-- Shared dependencies go into this import map -->
    <script type="injector-importmap">
      {
        "imports": {
          "single-spa": "https://cdn.jsdelivr.net/npm/single-spa@6.0.3/lib/es2015/esm/single-spa.min.js",
          "react": "https://cdn.jsdelivr.net/npm/react@17.0.2/umd/react.production.min.js",
          "react-dom": "https://cdn.jsdelivr.net/npm/react-dom@17.0.2/umd/react-dom.production.min.js"
        }
      }
    </script>
    <script src="https://cdn.jsdelivr.net/npm/systemjs/dist/system.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/systemjs/dist/extras/amd.js"></script>
    <link
      rel="preload"
      href="https://cdn.jsdelivr.net/npm/single-spa@6.0.3/lib/es2015/esm/single-spa.min.js"
      as="module"
    />

    <!-- Add your organization's prod import map URL to this script's src  -->
    <!-- <script type="injector-importmap" src="/importmap.json"></script> -->

    <% if (isLocal) { %>
    <script type="injector-importmap">
      {
        "imports": {
          "@home-hub/root-config": "//localhost:9000/home-hub-root-config.js",
          "@home-hub/hello-world": "//localhost:8500/home-hub-hello-world.js"
        }
      }
    </script>
    <% } %>

    <script src="https://cdn.jsdelivr.net/npm/import-map-overrides@4.1.0/dist/import-map-overrides.js"></script>
    <script src="https://cdn.jsdelivr.net/npm/@single-spa/import-map-injector@1.1.0/lib/import-map-injector.js"></script>
  </head>
  <body>
    <noscript> You need to enable JavaScript to run this app. </noscript>
    <main></main>
    <script>
      window.importMapInjector.initPromise.then(() => {
        import("@home-hub/root-config");
      });
    </script>
    <import-map-overrides-full
      show-when-local-storage="devtools"
      dev-libs
    ></import-map-overrides-full>
  </body>
</html>

import { registerApplication, start, LifeCycles } from "single-spa";

registerApplication({
  name: "@single-spa/welcome",
  app: () =>
    System.import<LifeCycles>(
      "https://unpkg.com/single-spa-welcome@2.4.3/dist/single-spa-welcome.js"
    ),
  activeWhen: ["/"],
});

registerApplication({
  name: "@home-hub/hello-world",
  app: () => System.import<LifeCycles>("@home-hub/hello-world"),
  activeWhen: ["/"],
});

start({
  urlRerouteOnly: true,
});