title: Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './lib/tokenize' is not defined by "exports" in /root/.../package.json
body: <p>When I run <code>yarn start</code>, I get this error:</p>
  <pre><code>yarn run v1.22.15
  $ react-scripts start
  node:internal/modules/cjs/loader:488
        throw e;
        ^
  
  Error [ERR_PACKAGE_PATH_NOT_EXPORTED]: Package subpath './lib/tokenize' is not defined by &quot;exports&quot; in /root/my-app/node_modules/postcss-safe-parser/node_modules/postcss/package.json
      at new NodeError (node:internal/errors:371:5)
      at throwExportsNotFound (node:internal/modules/esm/resolve:429:9)
      at packageExportsResolve (node:internal/modules/esm/resolve:683:3)
      at resolveExports (node:internal/modules/cjs/loader:482:36)
      at Function.Module._findPath (node:internal/modules/cjs/loader:522:31)
      at Function.Module._resolveFilename (node:internal/modules/cjs/loader:919:27)
      at Function.Module._load (node:internal/modules/cjs/loader:778:27)
      at Module.require (node:internal/modules/cjs/loader:999:19)
      at require (node:internal/modules/cjs/helpers:102:18)
      at Object.&lt;anonymous&gt; (/root/my-app/node_modules/postcss-safe-parser/lib/safe-parser.js:1:17) {
    code: 'ERR_PACKAGE_PATH_NOT_EXPORTED'
  </code></pre>
  <p><a href="https://i.stack.imgur.com/m44Xh.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/m44Xh.jpg" alt="Screenshot" /></a></p>
  <p>VSC 1.62.1<br />
  Docker 20.10.10<br />
  Node v16.13.0</p>
  <p>Any help please? TIA</p>
  <p>Edit: I can see there is no such folder as <code>/nodejs/my-app/</code>, where <code>/nodejs/</code> is my node installation folder. But surely that is as expected, as I think <code>/root/my-app/node_modules/postcss-safe-parser/node_modules/postcss/package.json</code> would be <em>in the container</em>, right??</p>