If you are sending shipments internationally and have provided your HS or commodity codes for your products but you received the below error message from DPD/DPD Local:
DPD Local Validation error (1020) Invalid string value: consignment.parcel.parcelProduct.productHarmonisedCode
This means that the commodity code is not exactly 8 digits.
If you'd like to check if your commodity code is valid, you can go to the below site:
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