PDR1451W

Missing trailing framing character in the POSTNET [or PLANET®] barcode. EngageOne™ Enrichment will assume the last character of the barcode is the trailing framing character.

What happened: You used a leading framing character for the barcode, but you did not have a trailing framing character for it.

What to do: Check the barcode string and make sure it has the two framing non-digit characters on both ends.