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
The international label settings are incorrect.
This issue must be resolved by a Pitney Bowes representative. Contact software support for assistance.
UPDATED: December 31, 2018