Internal user reported seeing this message:

Frig
Something went horribly wrong rendering this page. ...
NotFoundError: Failed to execute 'removeChild' on 'Node': The node to be removed is not a child of this node.

It's visible in the related replay: https://sentry.sentry.io/explore/replays/127444034ae84099a84b524458b6dd90/
But there's no smoking gun sentry issue with a good stacktrace.