PayPal gateway has rejected request. %1 in Magento 2.3.1

Question

I am using Magento version 2.3.1

I have already check on magento.stackexchange.com but not getting exact answer to solve the issue

Its setup PayPal Express Checkout method with Sandbox yes test mode

when i have placed order from front-end so its redirecting paypal so pay not on that

and after that getting error on review page error is like that

PayPal gateway has rejected request. %1

not getting error on specific error number like #10002

If anyone here help here, thanks in advance

Answer 1

Please check attached screenshot for paypal configuration, it is working fine in my system.