Issues in PayPal live transaction via PayPal iOS SDK -

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i developing ios application ipad, version 7.x. need perform paypal transaction via application. included paypal ios sdk , referring sample code perform transaction.

the sample code placed here

  1. there enough funds in customer account
  2. also, have proper client id , secret key funds needs transferred.
  3. both payee , payer have live accounts.
  4. transaction via sandbox account sucess

upon debugging code, found able create payment. however, error while payment approved.

here error details

paypal sdk: request has failed error: unknown_error - system error (unknown_error). please try again later. (400) | paypal debug-id: 3e8087cbf6bd1 [live, paypal ios sdk 2.1.2]

is there specific configuration need include in our code making live transaction? or there specific configuration needs done, in 1 of accounts? or there missing sample code provided paypal ios sdk? please advice.

the issue not using correct clientid. client id using not associated active app yoiur developer portal. correct this, please go developer portal , either use different client id different 'active' app or create new app.


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