Issues in PayPal live transaction via PayPal iOS SDK -
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 there enough funds in customer account also, have proper client id , secret key funds needs transferred. both payee , payer have live accounts. 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 po...