Why did I get API error code 10746?
PayPal returned API error code 10746 - This transaction cannot be processed. Please use a valid country on the billing address.
Cause
The country code passed in with the billing address is not a PayPal-supported country.
Solution
For a list of PayPal-supported countries, visit our complete PayPal Supported Countries listing.
See the Developer Portal for a complete list of NVP/SOAP API error codes.