Bdoc Error - "The transport zone USNAPC is not defined for country US"

Hi again,

We have another bdoc error that we can't fix. And its number keeps on increasing in middleware.Can you please help us with this issue also:

The transport zone USNAPC is not defined for country US

Message no. AM129

Validation error occurred: Module CRM_BUPA_MAIN_VAL, BDoc type BUPA_MAIN.

Message no. SMW3018

Thanks!

Best regards,

Mike