Sage Intacct Sync Error: Invalid Country and country code / Cannot figure out country code from country USA

Error

Explanation

This error occurs when the Use ISO country codes setting is turned on in Sage Intacct. This setting limits the sync's ability to update the Country field for vendors and/or customers. 

Solution

1. In your Sage Intacct account, go to Company > Company Info > General Information
2. Uncheck Use ISO country codes
3. Sync again