Error: NaN

[sentry]

Sentry Issue: FULLSTORY-DEMO-T

Error: NaN
  at trackCartSize (services/analytics.ts:11:39)
  at dispatch (store/analyticsMiddleware.ts:20:7)
  at apply (components/CartItems.tsx:35:84)
  at HTMLDocument.r (../../src/helpers.ts:85:17)
...
(16 additional frame(s) were not displayed)