Not able to receive payments on my e-commerce website(Shopify)

[shrunket]

I have integrated Paypal Express checkout on my website using shopify. I have a business paypal account completed all the account setup. Buyers are unable to make payment on the paypal checkout page using debit/credit cards as well as using paypal account. Buyers receive error messages while making a payment. refer screenshots for error message. Any solution to this problem

[YogeshPatil]

Dear sir/madam,

I'm facing same issue, actually my PayPal business account is from India and my customer from US and some other country. All my orders in Shopify abandoned checkout, please help me.