TypeError: Cannot read property 'tagName' of undefined

Sentry Issue: [STUDIO-E33](https://sentry.io/organizations/learningequality/issues/2166486729/?referrer=github_integration)

```
TypeError: Cannot read property 'tagName' of undefined
  at nrWrapper (/en/channels/0294a064f7224899887ce07bd47f9991/:60:26692)
```