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Serious error with the PayPal module after the May 25 update

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      Error onboarding Paypal:
      An error occurred. Please, check your credentials Paypal.
      Error onboarding Braintree:
      An error occurred. Please, check your credentials Braintree.



503 Service Unavailable
No server is available to handle this request.


(on any version of PrestaShop 1.7)


  class PaypalSDK
  private $action;
  private $endpoint;
  private $urlAPI;
  private $urlSI;
  public function __construct($sandbox=0)
  $this->action = 'POST';
  if ($sandbox) {
  } else {
  public function getUrlOnboarding($body)
  $this->endpoint = 'getUrl';
  $response = $this->makeCallSI(http_build_query($body, '', '&'));
  return $response;
  private function makeCallSI($body = null)
  $curl = curl_init();
  curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($curl, CURLOPT_URL, $this->urlSI.$this->endpoint.'?'.$body );
  curl_setopt($curl, CURLOPT_URL, $this->urlSI.$this->endpoint.'?'.$body );
  curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true);
  curl_setopt($curl, CURLOPT_CAINFO, _PS_CACHE_CA_CERT_FILE_);
  $response = curl_exec($curl);
  return $response;


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