What Wildbook are you working in?
What is the entire URL out of the browser, exactly where the error occurred?
Can you describe what the issue is you’re experiencing?
“Please select a Country/Location ID?” should be required for someone to enter when submitting an encounter.
Can you provide steps on how to reproduce what you’re experiencing?
If this is a bulk import report, send the spreadsheet to firstname.lastname@example.org with the email subject line matching your bug report