Error message
“Failed to create Synkka shipping label: Synkka Print Label API Error 422: Unprocessable Entity”
What this error means
DPD UK could not create the return label because the selected DPD service is not supported for the return route.
This is commonly seen when the customer’s address is in Northern Ireland, which may not be supported for the selected DPD returns service.
How to fix it
Check whether the customer’s return address is in Northern Ireland.
If it is, change the carrier to Royal Mail.
Regenerate the return label.
Keywords
Carrier: DPD UK
Error type: Unsupported route
Related terms: Synkka 422, Unprocessable Entity, Northern Ireland, DPD returns, carrier service unsupported