This article will explain how to troubleshoot this error message:
bwipp.ean13badLength#4217: EAN-13 must be 12 or 13 digits
This error is caused by a record not having the correct format for barcode generation. To figure out which record is causing the error, please turn on and set up the optional Error Message Field in your automation's Processing Behavior settings. An error message will be displayed in the selected field in Airtable and will help you locate the record so you can rectify the issue.