brinks: TypeError: Cannot read properties of undefined (reading 'firstName')

[brettski]

brinks service received a new error on 4/7 where first name was not available.

The error happened sending to Slack is seems /workspace/lib/notifications/slack.js:131

TypeError: Cannot read properties of undefined (reading 'firstName')
    at Object.subscriptionRenewed (/workspace/lib/notifications/slack.js:131:30)
    at EventEmitter.sendSubRenewalSlack (/workspace/lib/events/orders.js:110:20)
    at EventEmitter.emit (node:events:525:35)
    at EventEmitter.emit (node:domain:489:12) 

No entries in Sentry.
There are two instances of this error at 09:40 and 09:52. The Stripe event history entries are:
evt_1MuGSyBvVBgmhQW4qtymtuEL
evt_1MuGeHBvVBgmhQW4Tnan1I53

Not seeing anything immediately incorrect with the data records.

Neither of these two made it to Slack.