Country/ Origin

[Allure2021]

Hello Shopify Members, 

I had a potential customer email me about not being able to purchase during the checkout process because of  the country/origin option appeared. But it was grayed out and not allowing her to select  a country or type one in the box. 

I never had this issue before with a order. Is it a setting that is on my account that I can change so that my orders go through. Or was it a credit card issue with the customer? 

Thanks

Felicia