How to enable to use PayPal to process orders from specific geographic region?

I'm running Paypal Checkout sandbox. This is the error message I get.

We are sorry for the inconvenience; however, at the present time we are unable to use PayPal to process orders from the geographic region you selected as your PayPal address. Please continue using normal checkout and select from the available payment methods to complete your order.

How do I enable specific geographic regions ?

Help appreciated.

Solved. By mistake a choose a payment zone.