[ActivityWatch] Error while sending heartbeat

Not much more information, Developer tools console has three related errors:

> [ActivityWatch] Error while sending heartbeat
> onDidChangeNotification @ /C:/Program Files/Mi…esktop.main.js:2855

> [Extension Host] [ActivityWatch][handleError] Error while sending heartbeat
> t.log @ /C:/Program Files/Mi…desktop.main.js:262

> [Extension Host] sendHeartbeat error: undefined
> t.log @ /C:/Program Files/Mi…desktop.main.js:262

But a lot of logs for seeming successful sends

> `console.ts:137` [Extension Host] Sent heartbeat Object