Currency / country not working and keep loading on checkout page

I set the plugin to choose the currency based on shipping address and the payment method base on the currency. I use cartflow to create funnel and to individual checkout for each product. Lately when i change the country on shipping address the cart block on checkout page keep refreshing and never change the currency from COP to USD and the payment method from mercado pago to payu latam. Could you please help me to make it work. thank you