Scenario
User trying to create a new Bank Login and receive an error "Country list could not be retrieved".
Solution
1. Go to Setup > Bank Recon Setup > Bank Feeds Configuration > Edit > Tick the "Direct Data V2" checkbox
2. Also, please look for the Bankfeeds Account Preference > select both if you are using both settings, then Save.
3. Continue doing the creation of Bank login. Please notify Support if still having an error.