TypeError: Cannot read properties of null (reading 'querySelectorAll')

## Error

```
Cannot read properties of null (reading 'querySelectorAll')
```

## Stack trace

```
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:931 in queryPermanentElementsAll
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:910 in get Snapshot.permanentElements
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:917 in Snapshot.getPermanentElementMapForSnapshot
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:1354 in get Renderer.permanentElementMap
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:1323 in Renderer.preservingPermanentElements
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:2705 in PageRenderer.replaceBody
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:2679 in PageRenderer.render
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:1076 in View.renderSnapshot
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:1045 in View.render
../node_modules/@hotwired/turbo/dist/turbo.es2017-esm.js:1851 in
```

## Tracking Details
- **Project**: exercism-js
- **Sentry**: [TypeError: Cannot read properties of null (reading 'querySelectorAll')](https://thalamus-ai.sentry.io/issues/97319466/)
- **Culprit**: queryPermanentElementsAll(@hotwired/turbo/dist/turbo.es2017-esm)
- **First seen:** Feb 18, 2026