Issue
When processing PB Shipping API packages to an international address, the shipment is successful but no label is printed.
In debug logs, errors such as the following may be displayed:
System.ArgumentException: Parameter is not valid.
An errored occurred in producing a label or document_Event
Cause
The international label settings are incorrect.
Resolution
This issue must be resolved by a Pitney Bowes representative. Contact software support for assistance.
UPDATED: January 19, 2021