Package exceeds weight limit for shipping service

Error 219021 means the package weight is above the maximum allowed for the chosen shipping service. The listing is blocked until either the weight or the service is corrected.

Each carrier service has its own weight cap (USPS First Class is 16 oz, Priority Mail Box is 70 lb, etc.). Feeds that map a single shipping service to all SKUs hit limits when heavy items use a service intended for letters or small parcels.

1. Audit weights and group products by shipping-service eligibility.
2. Map heavy items (over 70 lb) to a freight or LTL service rather than parcel post.
3. For lightweight items under 16 oz, use First Class to save cost.
4. Add a feed validator that checks weight against service caps before export.
5. Resubmit and confirm error 219021 clears.

• Submitting 70.5 lb on USPS Priority Mail (70 lb cap) - off by one
• Using grams in a feed pipeline that expects ounces or pounds