String: BarcodeException: Unable to encode "13869637" to EAN 8 Barcode, checksum "7" should be "2"

[sentry-io]

Sentry Issue: SMOOTHIE-529

String: BarcodeException: Unable to encode "13869637" to EAN 8 Barcode, checksum "7" should be "2"
  File "stacktrace_utils.dart", line 10, in getCurrentStackTrace
  File "sentry_exception_factory.dart", line 44, in SentryExceptionFactory.getSentryException
  File "sentry_client.dart", line 235, in SentryClient._prepareEvent
  File "sentry_client.dart", line 119, in SentryClient.captureEvent
  File "hub.dart", line 173, in Hub.captureException

[monsieurtanuki]

Top 3 sentry error this week.

Generally speaking, we shouldn't allow corrupted barcodes. I don't think the barcode scanner returns corrupted barcodes (though they may be inaccurate), but users can.