아마 오류에 대한 기본적인 이유입니다 다음, 당신은 확인해야합니다 체크리스트입니다.
1: Be sure the merchant account has Pro permissions. Also, be sure the app has gone through the developer-approval process.
2: Also, be sure the app has been approved. The app has basic permissions until you submit it for approval.
3: You may have a Business account but to accept credit card payments in the live environment your account must be approved for Paypal.
4: You should contact PayPal Developer Support. File a ticket at PayPal merchant technical Support. Click on the Contact Technical Support link to file a ticket.
5: You can call to PayPal Customer Care, They will verify your name, DOB, Verification Code (Code will be shown in your PayPal Dashboard in Customer support page) etc, they will fix your issue in a minute or they will help you to fix your issue.
당신이 페이팔 응용 프로그램 라이브 모드가 활성화되지 않았거나 확인합니까? –