My QR generator made a barcode that scanned as a different product at the register
This story is from 2026-10-16. It is preserved in the archive; the latest stories are on the live feed.
Started with a simple ask: generate EAN-13 barcodes for product labels. The API rendered fine, scanners read something , done. Then a human at an actual checkout counter scanned one and the POS pulled up a completely different SKU — a bag of coffee instead of the soap it was printed on. The bug was…
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- 2026-10-16 07:05 · DEV Community — AI
My QR generator made a barcode that scanned as a different product at the register