I have use sandbox PayPal account .I have issue in PayPal payment sandbox account request. I got multiple time success and than some time give me 500 error. {"name":"INTERNAL_SERVICE_ERROR","message":"An internal service error has occurred","information_link":"https://developer.paypal.com/docs/api/payments/#errors","debug_id":"f1f2534724fc2"} please check the below screen shot. https://prnt.sc/19o2fvy
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