Synkka — Print Label API Error 422: Unprocessable Entity
Error message
Failed to create Synkka shipping label: Synkka Print Label API Error 422: Unprocessable Entity
Carrier: Synkka / DPD
What this means
This error is commonly caused when the return address is located in Northern Ireland.
DPD does not currently support returns from Northern Ireland through this integration.
How to fix
Open the RMA.
Check the customer’s return address.
Confirm whether the address is located in Northern Ireland.
Change the carrier to Royal Mail.
Regenerate the label.
If the issue continues
If the label still fails after changing carriers, contact Support and include:
RMA ID
customer address
screenshot of the error