PB Shipping API Customs Form 2976 label not generated for international shipments in SendPro Enterprise

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Products affected: SendPro® Enterprise


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: June 08, 2021