Error message
“The shipment weight exceeds the max weight allowed (20kg) for this format and service.”
What this error means
The parcel weight exceeds Royal Mail’s maximum supported weight for the selected service.
How to fix it
Choose one of the following options:
Reduce the shipment weight
Split the return into multiple parcels
Switch to a carrier or service that supports heavier shipments
Retry the label
After updating the shipment details, retry generating the label.
Keywords
Carrier: Royal Mail
Error type: Invalid weight
Related terms: overweight parcel, max weight exceeded